def connect(self, south_peer=None, west_peer=None):
if south_peer is not None:<EOL><INDENT>location, url, _ = south_peer<EOL>self.south.connect(disambiguate_url(url, location))<EOL><DEDENT>if west_peer is not None:<EOL><INDENT>location, _, url = west_peer<EOL>self.west.connect(disambiguate_url(url, location))<EOL><DEDENT>
connect to peers.  `peers` will be a 3-tuples, of the form:
        (location, north_addr, east_addr)
        as produced by