ValueError                                Traceback (most recent call last)
Cell In[19], line 4
      1 fig, ax = plt.subplots(figsize=(15,20))
      3 iids = slice(39,40)
----> 4 si.plot_traces(
      5     recording_car, 
      6     backend='matplotlib',  
      7     order_channel_by_depth=True,
      8     # time_range=(25.5, 26.5),  # started by 34
      9     time_range=(1,2),
     10     channel_ids=recording_car.channel_ids[iids],
     11     mode="line",
     12     ax=ax,
     13     show_channel_ids=True,
     14 )
     15 _ = plt.yticks(np.arange(iids.stop - iids.start), recording_car.channel_ids[iids])

File ~/datta-lab/spikeinterface/src/spikeinterface/widgets/traces.py:170, in TracesWidget.__init__(self, recording, segment_index, channel_ids, order_channel_by_depth, time_range, mode, return_scaled, cmap, show_channel_ids, events, events_color, events_alpha, color_groups, color, clim, tile_size, seconds_per_row, scale, with_colorbar, add_legend, backend, **backend_kwargs)
    168 traces0 = list_traces[0]
    169 mean_channel_std = np.mean(np.std(traces0, axis=0))
--> 170 max_channel_amp = np.max(np.max(np.abs(traces0), axis=0))
    171 vspacing = max_channel_amp * 1.5
    173 if rec0.get_channel_groups() is None:

File ~/miniconda3/envs/spikeinterface/lib/python3.9/site-packages/numpy/core/fromnumeric.py:2810, in max(a, axis, out, keepdims, initial, where)
   2692 @array_function_dispatch(_max_dispatcher)
   2693 @set_module('numpy')
   2694 def max(a, axis=None, out=None, keepdims=np._NoValue, initial=np._NoValue,
   2695          where=np._NoValue):
   2696     """
   2697     Return the maximum of an array or maximum along an axis.
   2698 
   (...)
   2808     5
   2809     """
-> 2810     return _wrapreduction(a, np.maximum, 'max', axis, None, out,
   2811                           keepdims=keepdims, initial=initial, where=where)

File ~/miniconda3/envs/spikeinterface/lib/python3.9/site-packages/numpy/core/fromnumeric.py:88, in _wrapreduction(obj, ufunc, method, axis, dtype, out, **kwargs)
     85         else:
     86             return reduction(axis=axis, out=out, **passkwargs)
---> 88 return ufunc.reduce(obj, axis, dtype, out, **passkwargs)

ValueError: zero-size array to reduction operation maximum which has no identity

AssertionError                            Traceback (most recent call last)
Cell In[20], line 1
----> 1 tmp_rec = recording_car.time_slice(1, 2)

File ~/datta-lab/spikeinterface/src/spikeinterface/core/baserecording.py:727, in BaseRecording.time_slice(self, start_time, end_time)
    724 start_frame = self.time_to_sample_index(start_time) if start_time else None
    725 end_frame = self.time_to_sample_index(end_time) if end_time else None
--> 727 return self.frame_slice(start_frame=start_frame, end_frame=end_frame)

File ~/datta-lab/spikeinterface/src/spikeinterface/core/baserecording.py:702, in BaseRecording.frame_slice(self, start_frame, end_frame)
    684 """
    685 Returns a new recording with sliced frames. Note that this operation is not in place.
    686 
   (...)
    697     A new recording object with only samples between start_frame and end_frame
    698 """
    700 from .frameslicerecording import FrameSliceRecording
--> 702 sub_recording = FrameSliceRecording(self, start_frame=start_frame, end_frame=end_frame)
    703 return sub_recording

File ~/datta-lab/spikeinterface/src/spikeinterface/core/frameslicerecording.py:37, in FrameSliceRecording.__init__(self, parent_recording, start_frame, end_frame)
     35     start_frame = 0
     36 else:
---> 37     assert 0 <= start_frame < parent_size
     39 if end_frame is None:
     40     end_frame = parent_size

AssertionError: