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

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

Author: pre-commit-ci[bot]

strings/knuth_morris_pratt.py

@@ -10,6 +10,7 @@
 
 Source: https://en.wikipedia.org/wiki/Knuth–Morris–Pratt_algorithm
 """
+
 from __future__ import annotations
 
 
@@ -119,4 +120,4 @@ def knuth_morris_pratt_search(text: str, pattern: str) -> list[int]:
 if __name__ == "__main__":
     import doctest
 
-    doctest.testmod()
+    doctest.testmod()