def get_organization(self, login):
        """
        :calls: `GET /orgs/:org <http://developer.github.com/v3/orgs>`_
        :param login: string
        :rtype: :class:`github.Organization.Organization`
        """
        assert isinstance(login, (str, unicode)), login
        headers, data = self.__requester.requestJsonAndCheck(
            "GET",
            "/orgs/" + login
        )
        return github.Organization.Organization(self.__requester, headers, data, completed=True)
:calls: `GET /orgs/:org <http://developer.github.com/v3/orgs>`_
        :param login: string
        :rtype: :class:`github.Organization.Organization`