:calls: `GET /orgs/:org/public_members/:user <http://developer.github.com/v3/orgs/members>`_
        :param public_member: :class:`github.NamedUser.NamedUser`
        :rtype: bool

def has_in_public_members(self, public_member):
        """
        :calls: `GET /orgs/:org/public_members/:user <http://developer.github.com/v3/orgs/members>`_
        :param public_member: :class:`github.NamedUser.NamedUser`
        :rtype: bool
        """
        assert isinstance(public_member, github.NamedUser.NamedUser), public_member
        status, headers, data = self._requester.requestJson(
            "GET",
            self.url + "/public_members/" + public_member._identity
        )
        return status == 204