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pymatviz/colormaps.py

@@ -3,11 +3,9 @@
 
 from __future__ import annotations
 
-import numpy as np
 import matplotlib
-from matplotlib.colors import Colormap
-from matplotlib.colors import LinearSegmentedColormap
-from matplotlib.colors import ListedColormap
+import numpy as np
+from matplotlib.colors import Colormap, LinearSegmentedColormap, ListedColormap
 
 
 def composite_colormaps(
@@ -43,18 +41,20 @@ def composite_colormaps(
     if isinstance(cmap_above, str):
         cmap_above = matplotlib.colormaps[cmap_above]
     elif not isinstance(cmap_above, Colormap):
-        raise TypeError(f"Expect type Colormap or str for cmap_above, got {type(cmap_above)}.")
+        raise TypeError(
+            f"Expect type Colormap or str for cmap_above, got {type(cmap_above)}."
+        )
 
     if isinstance(cmap_below, str):
         cmap_below = matplotlib.colormaps[cmap_below]
     elif not isinstance(cmap_below, Colormap):
-        raise TypeError(f"Expect type Colormap or str for cmap_below, got {type(cmap_below)}.")
+        raise TypeError(
+            f"Expect type Colormap or str for cmap_below, got {type(cmap_below)}."
+        )
 
     # Merge two Colormaps
     colors_cmap_above = cmap_above(np.linspace(0, 1, int(separator_position * N)))
-    colors_cmap_below = cmap_below(
-        np.linspace(0, 1, int((1 - separator_position) * N))
-    )
+    colors_cmap_below = cmap_below(np.linspace(0, 1, int((1 - separator_position) * N)))
     blended_colors = np.vstack((colors_cmap_below, colors_cmap_above))
 
     return LinearSegmentedColormap.from_list("custom_colormap", blended_colors, N=N)