Stuck on an issue?

Lightrun Answers was designed to reduce the constant googling that comes with debugging 3rd party libraries. It collects links to all the places you might be looking at while hunting down a tough bug.

And, if you’re still stuck at the end, we’re happy to hop on a call to see how we can help out.

`plot_rasters` gives error if spike_train contains a single spike

See original GitHub issue

TypeError                                 Traceback (most recent call last)
Input In [4], in <module>
      1 fig, ax = plt.subplots(figsize=(24, 8))
----> 2 w_rs = sw.plot_rasters(sorting, ax=ax)

File /gpfs/bwfor/work/ws/hd_uk239-measelab/miniconda3/envs/measelab/lib/python3.8/site-packages/spikeinterface/widgets/rasters.py:107, in plot_rasters(*args, **kwargs)
    106 def plot_rasters(*args, **kwargs):
--> 107     W = RasterWidget(*args, **kwargs)
    108     W.plot()
    109     return W

File /gpfs/bwfor/work/ws/hd_uk239-measelab/miniconda3/envs/measelab/lib/python3.8/site-packages/spikeinterface/widgets/rasters.py:55, in RasterWidget.__init__(self, sorting, segment_index, unit_ids, time_range, color, figure, ax)
     52 for unit_id in self._sorting.get_unit_ids():
     53     spike_train = self._sorting.get_unit_spike_train(unit_id,
     54                                                      segment_index=self.segment_index)
---> 55     if len(spike_train) > 0:
     56         curr_max_frame = np.max(spike_train)
     57         if curr_max_frame > self._max_frame:

TypeError: len() of unsized object

Related to #601 - but I think just using .size instead of len() here would fix this.