def revoke_group_permission(
        self, group_name, source_group_name, source_group_owner_id):
        """
        This is a convenience function that wraps the "authorize group"
        functionality of the C{authorize_security_group} method.

        For an explanation of the parameters, see C{revoke_security_group}.
        """
        d = self.revoke_security_group(
            group_name,
            source_group_name=source_group_name,
            source_group_owner_id=source_group_owner_id)
        return d
This is a convenience function that wraps the "authorize group"
        functionality of the C{authorize_security_group} method.

        For an explanation of the parameters, see C{revoke_security_group}.