def __init__(self, *args, **kwargs):
        if 'received_at' in kwargs:
            raise Exception("IncomingMessage.received_at is meaningless")
        super(IncomingMessage, self).__init__(*args, **kwargs)
        #: list of messages created by IncomingMessage.respond()
        self.responses = []
dataset/ETHPy150Open rapidsms/rapidsms/rapidsms/messages/incoming.py/IncomingMessage.__init__/original