Clean up for 145

gavinfish · gavinfish · commit c0fc001c9a08 · 2016-05-12T21:30:23.000+08:00
diff --git a/145 Binary Tree Postorder Traversal.py b/145 Binary Tree Postorder Traversal.py
@@ -14,11 +14,11 @@
 '''
 
 # Definition for a binary tree node.
-# class TreeNode(object):
-#     def __init__(self, x):
-#         self.val = x
-#         self.left = None
-#         self.right = None
+class TreeNode(object):
+    def __init__(self, x):
+        self.val = x
+        self.left = None
+        self.right = None
 
 class Solution(object):
     def postorderTraversal(self, root):
