def _show(self, req, resp_obj):
        if resp_obj.obj in 'server':
            self._extend_servers(req, [resp_obj.obj['server']])
dataset/ETHPy150Open BU-NU-CLOUD-SP16/Trusted-Platform-Module-nova/nova/api/openstack/compute/security_groups.py/SecurityGroupsOutputController._show/swapped operands of `in`