DMSC Integration Testing

workflow = <sciline.pipeline.Pipeline object at 0x7efc00511760>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00022379.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7efbcc7dfda0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f7414fd3290>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00022249.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f74207c7cb0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f991baeaf30>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00022119.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f98e808d550>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f43b873a060>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021969.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f43c07f2bd0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fed33722570>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021835.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fed0c0d08f0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f72380b5fd0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021695.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f727844bb60>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fbee8222540>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021555.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fbef80e3ec0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fea44167650>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021415.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fea2c1e1e20>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f108bd9d940>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021275.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f108bc2f1a0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f0ab4027d10>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00021125.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f0aa8fa7b00>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fe34f6fdd30>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020985.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fe334074b30>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f07ab11baa0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020835.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f07abb83a70>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fe80da37230>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020705.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fe80da31f10>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f94bd422f60>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020565.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f94bd587a10>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f105462a0f0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020409.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f105552afc0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f334c14a900>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020269.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f33407b43b0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f34f22d0e30>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020196.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f34f22d1a00>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fe5ad8213d0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020196.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fe59c377b30>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fe00c11a750>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00020119.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fe00f9302f0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7ff1096ce570>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019976.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7ff0f07e4740>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7faec1c6cd70>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019809.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7faec1c6faa0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fe8fde1d670>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019447.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fe8fd0720c0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f3451e82960>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019447.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f3451e828a0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f0602ffe660>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019377.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f060308d490>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f6fa14b5250>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019221.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f6fa74a2330>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fdca5c9f6b0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00019100.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fdca4909d60>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f3f674cba70>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018950.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f3f4e564ad0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f8accc6f260>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018820.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f8ace8fac30>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f7d1622fe00>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018680.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f7d145b4d70>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f03a4132750>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018326.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f03a5a793a0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f52b80b3e90>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018326.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f52c48a6480>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f9d9cfa32f0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018326.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f9d9d343b30>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fd33b80b890>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018256.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fd33ad1c920>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f461b7aa0f0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00018116.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f4611222fc0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f38f85c5370>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017976.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:140: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/_provider.py:145: in __call__
    return self._func(*args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f38f7b1dc70>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'
E           In provider ess.reduce.nexus.workflow.load_nexus_data(
E               location: ess.reduce.nexus.types.NeXusDataLocationSpec[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun],
E           ) -> ess.reduce.nexus.types.NeXusData[ess.powder.types.BunkerMonitor, ess.reduce.nexus.types.SampleRun]

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fc20313ea50>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017749.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fc21eb4b980>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fd4916ea900>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017661.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:115: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:547: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:351: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:256: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:768: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:81: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fd4887d9e50>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f3a743ae3c0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017551.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f3a746b92e0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f15e06ee8a0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017401.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f15dc375340>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fb4f2e74e30>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017261.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fb4e83cef90>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f40881e02f0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00017121.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f4088ec19a0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fee1e8c0da0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016981.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fee1c212b40>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7fb0ea883290>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016851.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7fb0e00f98e0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f69d45fe000>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016701.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f69de1ca780>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f58440f66f0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016561.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f58183128d0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f171ec3af90>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016421.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f1708228bf0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f5fd419ec00>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016281.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f5fbeb7c9e0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f4c8c1d68d0>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016141.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f4c97b74a40>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError

workflow = <sciline.pipeline.Pipeline object at 0x7f73d7dc5e20>
coda_nexus_file_path = PosixPath('/ess/data/coda/999999/raw/coda_dream_999999_00016001.hdf')
monitor_type = ess.powder.types.BunkerMonitor

    @pytest.mark.parametrize(
        "monitor_type", [BunkerMonitor, CaveMonitor], ids=["bunker", "cave"]
    )
    def test_can_compute_wavelength__monitor_(
        workflow: sciline.Pipeline, coda_nexus_file_path: Path, monitor_type: type
    ) -> None:
        workflow[Filename[SampleRun]] = coda_nexus_file_path
>       result = workflow.compute(WavelengthMonitor[SampleRun, monitor_type])
                 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/nexusfiles-scipp/dream/dream_reduction_test.py:54: 
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/pipeline.py:191: in compute
    return self.get(tp, **kwargs).compute(reporter=reporter)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/task_graph.py:122: in compute
    return self._scheduler.get(self._graph, [targets], reporter=reporter)[0]
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/sciline/scheduler.py:119: in get
    return self._dask_get(dsk, list(map(_to_dask_key, keys)))
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/threaded.py:91: in get
    results = get_async(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:549: in get_async
    raise_exception(exc, tb)
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:353: in reraise
    raise exc
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/local.py:258: in execute_task
    result = task(data)
             ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/_task_spec.py:759: in __call__
    return self.func(*new_argspec)
           ^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/dask/utils.py:80: in apply
    return func(*args)
           ^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/workflow.py:279: in load_nexus_data
    nexus.load_data(
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/ess/reduce/nexus/_nexus_loader.py:577: in load_data
    return data[sel]
           ^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:383: in __getitem__
    dg = self._nexus.read_children(sel)
         ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:353: in read_children
    return super().read_children(sel)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/base.py:96: in read_children
    name: self.index_child(child, sel)
          ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:347: in index_child
    tuple(self.sizes), child.dims, sel, bin_edge_dim=self._bin_edge_dim(child)
          ^^^^^^^^^^
.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/_cache.py:56: in __get__
    val = self.func(instance)
          ^^^^^^^^^^^^^^^^^^^
_ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ 

self = <ess.reduce.nexus.workflow._NXdataWithoutAuxSignals object at 0x7f73d7ee08c0>

    @cached_property
    def sizes(self) -> dict[str, int]:
        if not self._valid:
            return super().sizes
        sizes = dict(self._signal.sizes)
        for name in self._aux_signals:
>           sizes.update(self._children[name].sizes)
                         ^^^^^^^^^^^^^^^^^^^^
E           KeyError: 'frame_total'

.tox/nexusfiles-scipp-dream/lib/python3.12/site-packages/scippnexus/nxdata.py:328: KeyError