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

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

Author: pre-commit-ci[bot]

Diff for: data_structures/hashing/hash_map.py

@@ -281,8 +281,8 @@ def __repr__(self) -> str:
         )
         return f"HashMap({val_string})"
 
-if __name__ == "__main__":
 
+if __name__ == "__main__":
     import doctest
 
     doctest.testmod()