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

pre-commit-ci[bot] · pre-commit-ci[bot] · commit e74d24e7e3c8 · 2024-10-07T07:07:52.000Z
for more information, see https://pre-commit.ci
diff --git a/data_structures/binary_tree/maximum_sum_bst.py b/data_structures/binary_tree/maximum_sum_bst.py
@@ -8,8 +8,8 @@
 @dataclass
 class TreeNode:
     val: int = 0
-    left: 'TreeNode' = None
-    right: 'TreeNode' = None
+    left: "TreeNode" = None
+    right: "TreeNode" = None
 
 
 def max_sum_bst(root: TreeNode | None) -> int:
