update binary-tree-longest-consecutive-sequence.py

Author: sangheestyle

Python/binary-tree-longest-consecutive-sequence.py

@@ -22,7 +22,7 @@ def longestConsecutiveHelper(root):
             if root.right and root.right.val == root.val + 1:
                 cur_len = max(cur_len, right_len + 1)
 
-            self.max_len = max(self.max_len, cur_len, left_len, right_len)
+            self.max_len = max(self.max_len, cur_len)
 
             return cur_len