[pre-commit.ci] auto fixes from pre-commit.com hooks

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

src/spikeinterface/core/basesorting.py

@@ -201,7 +201,6 @@ def get_unit_spike_train(
                 unit_id=unit_id, start_frame=start_frame, end_frame=end_frame
             ).astype("int64")
 
-
         return spike_frames
 
     def get_unit_spike_train_in_seconds(