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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 9b7e4bd82a3b · 2024-06-17T20:36:35.000Z
for more information, see https://pre-commit.ci
diff --git a/exactdiag/matrix.py b/exactdiag/matrix.py
@@ -41,7 +41,6 @@
 
 
 class MidpointNormalize(colors.Normalize):
-
     """Mid-point colormap normalization
 
     References
