diff --git a/src/spikeinterface/widgets/_legacy_mpl_widgets/tests/test_widgets_legacy.py b/src/spikeinterface/widgets/_legacy_mpl_widgets/tests/test_widgets_legacy.py
index defe10f0d4..39eb80e2e5 100644
--- a/src/spikeinterface/widgets/_legacy_mpl_widgets/tests/test_widgets_legacy.py
+++ b/src/spikeinterface/widgets/_legacy_mpl_widgets/tests/test_widgets_legacy.py
@@ -43,8 +43,6 @@ def setUp(self):
     def tearDown(self):
         pass
 
-
-
     def test_plot_unit_probe_map(self):
         sw.plot_unit_probe_map(self._we, with_channel_ids=True)
         sw.plot_unit_probe_map(self._we, animated=True)
diff --git a/src/spikeinterface/widgets/agreement_matrix.py b/src/spikeinterface/widgets/agreement_matrix.py
index 22617f6be0..ec6ea1c87c 100644
--- a/src/spikeinterface/widgets/agreement_matrix.py
+++ b/src/spikeinterface/widgets/agreement_matrix.py
@@ -5,7 +5,6 @@
 from .utils import get_unit_colors
 
 
-
 class AgreementMatrixWidget(BaseWidget):
     """
     Plots sorting comparison agreement matrix.
@@ -22,12 +21,11 @@ class AgreementMatrixWidget(BaseWidget):
         If True counts are displayed as text
     unit_ticks: bool
         If True unit tick labels are displayed
-    
+
     """
 
     def __init__(
-        self, sorting_comparison, ordered=True, count_text=True, unit_ticks=True,
-        backend=None, **backend_kwargs
+        self, sorting_comparison, ordered=True, count_text=True, unit_ticks=True, backend=None, **backend_kwargs
     ):
         plot_data = dict(
             sorting_comparison=sorting_comparison,
@@ -87,5 +85,3 @@ def plot_matplotlib(self, data_plot, **backend_kwargs):
             N1 - 0.5,
             -0.5,
         )
-
-
diff --git a/src/spikeinterface/widgets/confusion_matrix.py b/src/spikeinterface/widgets/confusion_matrix.py
index b76283b421..8eb58f30b2 100644
--- a/src/spikeinterface/widgets/confusion_matrix.py
+++ b/src/spikeinterface/widgets/confusion_matrix.py
@@ -5,7 +5,6 @@
 from .utils import get_unit_colors
 
 
-
 class ConfusionMatrixWidget(BaseWidget):
     """
     Plots sorting comparison confusion matrix.
@@ -18,13 +17,10 @@ class ConfusionMatrixWidget(BaseWidget):
         If True counts are displayed as text
     unit_ticks: bool
         If True unit tick labels are displayed
-    
+
     """
 
-    def __init__(
-        self, gt_comparison, count_text=True, unit_ticks=True,
-        backend=None, **backend_kwargs
-    ):
+    def __init__(self, gt_comparison, count_text=True, unit_ticks=True, backend=None, **backend_kwargs):
         plot_data = dict(
             gt_comparison=gt_comparison,
             count_text=count_text,
@@ -80,4 +76,4 @@ def plot_matplotlib(self, data_plot, **backend_kwargs):
         self.ax.set_ylim(
             N1 + 0.5,
             -0.5,
-        )
\ No newline at end of file
+        )
diff --git a/src/spikeinterface/widgets/probe_map.py b/src/spikeinterface/widgets/probe_map.py
index 193711a34f..7fb74abd7c 100644
--- a/src/spikeinterface/widgets/probe_map.py
+++ b/src/spikeinterface/widgets/probe_map.py
@@ -5,7 +5,6 @@
 from .utils import get_unit_colors
 
 
-
 class ProbeMapWidget(BaseWidget):
     """
     Plot the probe of a recording.
@@ -23,10 +22,8 @@ class ProbeMapWidget(BaseWidget):
     """
 
     def __init__(
-        self, recording, channel_ids=None, with_channel_ids=False,
-        backend=None, **backend_or_plot_probe_kwargs
+        self, recording, channel_ids=None, with_channel_ids=False, backend=None, **backend_or_plot_probe_kwargs
     ):
-        
         # split backend_or_plot_probe_kwargs
         backend_kwargs = dict()
         plot_probe_kwargs = dict()
diff --git a/src/spikeinterface/widgets/rasters.py b/src/spikeinterface/widgets/rasters.py
index de855ebe45..4a1d76279f 100644
--- a/src/spikeinterface/widgets/rasters.py
+++ b/src/spikeinterface/widgets/rasters.py
@@ -4,7 +4,6 @@
 from .base import BaseWidget, to_attr, default_backend_kwargs
 
 
-
 class RasterWidget(BaseWidget):
     """
     Plots spike train rasters.
@@ -24,16 +23,13 @@ class RasterWidget(BaseWidget):
     """
 
     def __init__(
-        self, sorting, segment_index=None, unit_ids=None, time_range=None, color="k",
-        backend=None, **backend_kwargs
+        self, sorting, segment_index=None, unit_ids=None, time_range=None, color="k", backend=None, **backend_kwargs
     ):
-
-
         if segment_index is None:
             if sorting.get_num_segments() != 1:
                 raise ValueError("You must provide segment_index=...")
             segment_index = 0
-        
+
         if time_range is None:
             frame_range = [0, sorting.to_spike_vector()[-1]["sample_index"]]
             time_range = [f / sorting.sampling_frequency for f in frame_range]
@@ -86,10 +82,3 @@ def plot_matplotlib(self, data_plot, **backend_kwargs):
             self.ax.set_yticklabels(units_ids)
             self.ax.set_xlim(*dp.time_range)
             self.ax.set_xlabel("time (s)")
-
-
-
-
-
-
-
diff --git a/src/spikeinterface/widgets/tests/test_widgets.py b/src/spikeinterface/widgets/tests/test_widgets.py
index 509194cb93..2c583391c3 100644
--- a/src/spikeinterface/widgets/tests/test_widgets.py
+++ b/src/spikeinterface/widgets/tests/test_widgets.py
@@ -349,7 +349,6 @@ def test_plot_rasters(self):
                 sw.plot_rasters(self.sorting)
 
 
-
 if __name__ == "__main__":
     # unittest.main()
 
@@ -371,7 +370,7 @@ def test_plot_rasters(self):
     # mytest.test_template_metrics()
     # mytest.test_amplitudes()
     # mytest.test_plot_agreement_matrix()
-    # mytest.test_plot_confusion_matrix()
+    # mytest.test_plot_confusion_matrix()
     # mytest.test_plot_probe_map()
     mytest.test_plot_rasters()