message: Update maximum-binary-tree.py
diff: @@ -42,8 +42,7 @@ class Solution(object):
  for num in nums:
  node = TreeNode(num);
  while nodeStack and num > nodeStack[-1].val:
  - node.left = nodeStack[-1]
  - nodeStack.pop()
  + node.left = nodeStack.pop()
  if nodeStack:
  nodeStack[-1].right = node
  nodeStack.append(node)
  