async def on_raw_301(self, message):
        """ User is away. """
        target, nickname, message = message.params
        info = {
            'away': True,
            'away_message': message
        }

        if nickname in self.users:
            self._sync_user(nickname, info)
        if nickname in self._pending['whois']:
            self._whois_info[nickname].update(info)
User is away.