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

for more information, see https://pre-commit.ci

Author: pre-commit-ci[bot]

sorts/sleep_sort.py

@@ -39,4 +39,5 @@ def sleeper(value: int) -> None:
 
 if __name__ == "__main__":
     import doctest
-    doctest.testmod(verbose=True)
+
+    doctest.testmod(verbose=True)