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

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

Author: pre-commit-ci[bot]

boolean_algebra/and_gate.py

@@ -50,7 +50,6 @@ def n_input_and_gate(inputs: list[int]) -> int:
     return int(all(inputs))
 
 
-
 if __name__ == "__main__":
     import doctest