Merge branch 'max_sum_binary_tree' of https://github.com/1227haran/Python into max_sum_binary_tree

Author: 1227haran

data_structures/binary_tree/maximum_sum_bst.py

@@ -44,6 +44,7 @@ def max_sum_bst(root: TreeNode) -> int:
     """
     ans: int = 0
 
+
     def solver(node: "TreeNode") -> tuple[bool, int, int, int]:
         """
         Returns the maximum sum by making recursive calls