Error when using BinaryRecordingExtractor

[lfrank]

Trying out the viewer from a saved Recording I get:

AttributeError                            Traceback (most recent call last)
/Users/loren/Src/NWB/notebooks/spyglass_sorting_devel.ipynb Cell 12' in <cell line: 2>()
      [1](vscode-notebook-cell:/Users/loren/Src/NWB/notebooks/spyglass_sorting_devel.ipynb#ch0000016?line=0) #plot the Recording
----> [2](vscode-notebook-cell:/Users/loren/Src/NWB/notebooks/spyglass_sorting_devel.ipynb#ch0000016?line=1) SpikeSortingRecording.view(recording_key)

File ~/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py:495, in SpikeSortingRecording.view(key)
    [492](file:///Users/loren/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py?line=491) app = ephyviewer.mkQApp()
    [493](file:///Users/loren/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py?line=492) win = ephyviewer.MainViewer(debug=True, show_auto_scale=True)
--> [495](file:///Users/loren/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py?line=494) view = ephyviewer.TraceViewer(source=recording, name=recording_name)
    [496](file:///Users/loren/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py?line=495) win.add_view(view)
    [498](file:///Users/loren/Src/NWB/spyglass/src/spyglass/spikesorting/spikesorting_recording.py?line=497) win.show()

File ~/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py:431, in TraceViewer.__init__(self, useOpenGL, **kargs)
    [428](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=427) def __init__(self, useOpenGL=None, **kargs):
    [429](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=428)     BaseMultiChannelViewer.__init__(self, **kargs)
--> [431](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=430)     self.make_params()
    [433](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=432)     # useOpenGL=True eliminates the extremely poor performance associated
    [434](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=433)     # with TraceViewer's line_width > 1.0, but it also degrades overall
    [435](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=434)     # performance somewhat and is reportedly unstable
    [436](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/traceviewer.py?line=435)     self.set_layout(useOpenGL=useOpenGL)

File ~/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py:89, in BaseMultiChannelViewer.make_params(self)
     [86](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=85) def make_params(self):
     [87](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=86)     # Create parameters
     [88](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=87)     all = []
---> [89](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=88)     for i in range(self.source.nb_channel):
     [90](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=89)         #TODO add name, hadrware index, id
     [91](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=90)         name = 'ch{}'.format(i)
     [92](file:///Users/loren/opt/anaconda3/envs/spyglass/lib/python3.8/site-packages/ephyviewer/base.py?line=91)         children =[{'name': 'name', 'type': 'str', 'value': self.source.get_channel_name(i), 'readonly':True}]

AttributeError: 'BinaryRecordingExtractor' object has no attribute 'nb_channel'```