[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

@@ -93,7 +93,7 @@
 
 from dataclasses import dataclass
 from pprint import pformat
-from collections.abc import Iterator # fix UP035 
+from collections.abc import Iterator  # fix UP035
 
 
 @dataclass
@@ -223,6 +223,7 @@ def remove(self, value: int) -> None:
             if predecessor is not None:
                 self.remove(predecessor.value)
                 node.value = predecessor.value
+
     def preorder_traverse(self, node: Node | None) -> Iterator[Node]:
         if node is not None:
             yield node