def cast(self, context, msg, topic=None, version=None): """rpc.cast() a remote method. :param context: The request context :param msg: The message to send, including the method and args. :param topic: Override the topic for this message. :param version: (Optional) Override the requested API version in this message. :returns: None. rpc.cast() does not wait on any return value from the remote method. """ self._set_version(msg, version) rpc.cast(context, self._get_topic(topic), msg)