@property
    def checklists(self):
        """
        Lazily loads and returns the checklists
        """
        try:
            if self._checklists is None:
                self._checklists = self.fetch_checklists()
        except __HOLE__:
            self._checklists = None
        return self._checklists
dataset/ETHPy150Open sarumont/py-trello/trello/card.py/Card.checklists