send message to threadid/stream

def send_message(self, threadid, msgFormat, message):
        ''' send message to threadid/stream '''
        # using deprecated v3 message create because of bug in codegen of v4 ( multipart/form-data )
        response, status_code = self.__agent__.Messages.post_v3_stream_sid_message_create(
            sessionToken=self.__session__,
            keyManagerToken=self.__keymngr__,
            sid=threadid,
            message={"format": msgFormat,
                     "message": message}
        ).result()
        self.logger.debug('%s: %s' % (status_code, response))
        return status_code, response