message: update word-search-ii.py
  findWordsRecu returns None all the time so return True is never
  reached.
diff: @@ -32,8 +32,7 @@ class Solution(object):
  for i in xrange(len(board)):
  for j in xrange(len(board[0])):
  - if self.findWordsRecu(board, trie, 0, i, j, visited, [], result):
  - return True
  + self.findWordsRecu(board, trie, 0, i, j, visited, [], result)
  return result.keys()
  @@ -56,4 +55,3 @@ class Solution(object):
  self.findWordsRecu(board, next_node, cur + 1, i, j - 1, visited, cur_word, result)
  visited[i][j] = False
  cur_word.pop()
  -
  