def get_record(self, msg_id):
        """Get a specific Task Record, by msg_id."""
        if self._records not in msg_id:
            raise KeyError("No such msg_id %r"%(msg_id))
        return self._records[msg_id]
dataset/ETHPy150Open ipython/ipython-py3k/IPython/parallel/controller/dictdb.py/DictDB.get_record/swapped operands of `not in`