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

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

Author: pre-commit-ci[bot]

data_structures/binary_tree/binary_search_tree.py

@@ -116,8 +116,6 @@ def __iter__(self) -> Iterator[int]:
         yield from self.right or []
 
     def __repr__(self) -> str:
-
-
         if self.left is None and self.right is None:
             return str(self.value)
         return pformat({f"{self.value}": (self.left, self.right)}, indent=1)