[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

@@ -176,6 +176,7 @@ def insert(self, *values: int) -> BinarySearchTree:
         for value in values:
             self.__insert(value)
         return self
+
     def search(self, value: int) -> Node | None:
         if self.empty():
             raise IndexError("Warning: Tree is empty! please use another.")