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

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

src/spikeinterface/preprocessing/filter.py

@@ -290,6 +290,7 @@ def __init__(self, recording, freq=3000, q=30, margin_ms=5.0, dtype=None):
 
         self._kwargs = dict(recording=recording, freq=freq, q=q, margin_ms=margin_ms, dtype=dtype.str)
 
+
 class Causalfilter(BasePreprocessor):
     """
     filter class based on:
@@ -346,7 +347,6 @@ def __init__(
         add_reflect_padding=False,
         coeff=None,
         dtype=None,
-
     ):
         import scipy.signal
 
@@ -378,9 +378,14 @@ def __init__(
         for parent_segment in recording._recording_segments:
             self.add_recording_segment(
                 CausalFilterRecordingSegment(
-                    parent_segment, filter_coeff, filter_mode, margin, dtype, 
-                    direction, add_reflect_padding=add_reflect_padding
-                    )
+                    parent_segment,
+                    filter_coeff,
+                    filter_mode,
+                    margin,
+                    dtype,
+                    direction,
+                    add_reflect_padding=add_reflect_padding,
+                )
             )
 
         self._kwargs = dict(
@@ -399,7 +404,9 @@ def __init__(
 
 
 class CausalFilterRecordingSegment(BasePreprocessorSegment):
-    def __init__(self, parent_recording_segment, coeff, filter_mode, margin, dtype, direction, add_reflect_padding=False):
+    def __init__(
+        self, parent_recording_segment, coeff, filter_mode, margin, dtype, direction, add_reflect_padding=False
+    ):
         BasePreprocessorSegment.__init__(self, parent_recording_segment)
         self.coeff = coeff
         self.filter_mode = filter_mode
@@ -429,13 +436,15 @@ def get_traces(self, start_frame, end_frame, channel_indices):
             if self.direction == "forward":
                 filtered_traces = scipy.signal.sosfilt(self.coeff, traces_chunk, axis=0)
             elif self.direction == "backward":
-                filtered_traces = np.flip(scipy.signal.sosfilt(self.coeff, np.flip(traces_chunk, axis = 0), axis = 0), axis = 0)
+                filtered_traces = np.flip(
+                    scipy.signal.sosfilt(self.coeff, np.flip(traces_chunk, axis=0), axis=0), axis=0
+                )
         elif self.filter_mode == "ba":
             b, a = self.coeff
             if self.direction == "forward":
                 filtered_traces = scipy.signal.lfilt(b, a, traces_chunk, axis=0)
             elif self.direction == "backward":
-                filtered_traces = np.flip(scipy.signal.lfilt(b, a, np.flip(traces_chunk, axis = 0), axis=0), axis = 0)
+                filtered_traces = np.flip(scipy.signal.lfilt(b, a, np.flip(traces_chunk, axis=0), axis=0), axis=0)
         if right_margin > 0:
             filtered_traces = filtered_traces[left_margin:-right_margin, :]
         else:
@@ -446,6 +455,7 @@ def get_traces(self, start_frame, end_frame, channel_indices):
 
         return filtered_traces.astype(self.dtype)
 
+
 # functions for API
 filter = define_function_from_class(source_class=FilterRecording, name="filter")
 bandpass_filter = define_function_from_class(source_class=BandpassFilterRecording, name="bandpass_filter")