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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 22083ae85e20 · 2025-06-28T07:57:33.000Z
for more information, see https://pre-commit.ci
diff --git a/graphics/butterfly_pattern.py b/graphics/butterfly_pattern.py
@@ -47,5 +47,6 @@ def butterfly_pattern(n: int) -> str:
 
 if __name__ == "__main__":
     import doctest
+
     # Run the doctests
     doctest.testmod()
