[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/segment_tree_node.py

@@ -4,8 +4,8 @@ def __init__(self, start: int, end: int) -> None:
         self.start = start
         self.end = end
         self.value: int = None
-        self.left: Node | None  = None
-        self.right: Node | None  = None
+        self.left: Node | None = None
+        self.right: Node | None = None
 
 
 class SegmentTree:
@@ -156,4 +156,4 @@ def modify(
         if self.mode == "max":
             node.value = max(node.left.value, node.right.value)
         else:
-            node.value = node.left.value + node.right.value
+            node.value = node.left.value + node.right.value