@utilities.arguments_not_none<EOL><INDENT>def get_agent_lookup_session(self, proxy):<DEDENT>
if not self.supports_agent_lookup():<EOL><INDENT>raise errors.Unimplemented()<EOL><DEDENT>return sessions.AgentLookupSession(proxy=proxy, runtime=self._runtime)<EOL>
Gets the ``OsidSession`` associated with the agent lookup service.

        arg:    proxy (osid.proxy.Proxy): a proxy
        return: (osid.authentication.AgentLookupSession) - an
                ``AgentLookupSession``
        raise:  NullArgument - ``proxy`` is ``null``
        raise:  OperationFailed - unable to complete request
        raise:  Unimplemented - ``supports_agent_lookup()`` is ``false``
        *compliance: optional -- This method must be implemented if
        ``supports_agent_lookup()`` is ``true``.*