Peer endpoint address as a tuple

def peer_address(self):
        """
        Peer endpoint address as a tuple
        """
        if not self._peer_address:
            self._peer_address = self.proto.reader._transport.get_extra_info('peername')
            if len(self._peer_address) == 4:
                self._peer_address = self._peer_address[:2]
        return self._peer_address