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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit 1fc9bc0b3eeb · 2026-06-30T18:00:10.000Z
for more information, see https://pre-commit.ci
diff --git a/sorts/pancake_sort.py b/sorts/pancake_sort.py
@@ -42,4 +42,5 @@ def pancake_sort(arr: MutableSequence[int]) -> MutableSequence[int]:
 
 if __name__ == "__main__":
     import doctest
+
     doctest.testmod()
