def _delete_security_groups(self, security_group):
        with atomic.ActionTimer(self, "nova.delete_%s_security_groups" %
                                len(security_group)):
            for sg in security_group:
                self.clients("nova").security_groups.delete(sg.id)
dataset/ETHPy150Open openstack/rally/rally/plugins/openstack/scenarios/nova/utils.py/NovaScenario._delete_security_groups/original