def get_label(self, label_id, board_id):
        board = self.get_board(board_id)
        label_json = self.fetch_json('/labels/' + label_id)
        return Label.from_json(board, label_json)
Calculates the Kendall's Tau correlation coefficient given the *worder*
dataset/ETHPy150Open sarumont/py-trello/trello/trelloclient.py/TrelloClient.get_label--crossover with--dataset/ETHPy150Open nltk/nltk/nltk/translate/ribes_score.py/kendall_tau