  
  def main():
      test = TestTrie()
      test.test_trie()
      test.test_trie_remove_invalid()
  
  
  if __name__ == '__main__':
      main() 
</s> remove     main() </s> add  </s> remove     test.test_check_balance_empty()
 </s> add     test.assertRaises(TypeError, test.test_check_balance_empty) </s> remove     test.test_bst_validate_empty()
 </s> add     test.assertRaises(TypeError, test.test_bst_validate_empty) </s> remove     test.test_bst_successor_empty()
 </s> add     test.assertRaises(TypeError, test.test_bst_successor_empty)
    test.assertRaises(KeyError, test.test_trie_remove_invalid)
  
  def main():
      test = TestTrie()
      test.test_trie()
    test.assertRaises(KeyError, test.test_trie_remove_invalid)
  
  
  if __name__ == '__main__':
      main() 
keep keep keep keep replace keep keep keep keep
 #273: Remove nose dependency for graphs_trees/ (#277) 
graphs_trees/trie/test_trie.py