<SYSTEM_TASK:>
Solve the following problem using Python, implementing the functions described below, one line at a time
<END_TASK>
<USER_TASK:>
Description:

def _report_self(self):
        '''
        Reports the kafka monitor uuid to redis
        '''
        key = "stats:kafka-monitor:self:{m}:{u}".format(
            m=socket.gethostname(),
            u=self.my_uuid)
        self.redis_conn.set(key, time.time())
        self.redis_conn.expire(key, self.settings['HEARTBEAT_TIMEOUT'])