def update(self, values):
        for k, v in values.iteritems():
            self[k] = v
Make sure an expired response that contains an ETag uses
dataset/ETHPy150Open rcbops/glance-buildpackage/glance/registry/db/models.py/ModelBase.update--crossover with--dataset/ETHPy150Open ionrock/cachecontrol/tests/test_etag.py/TestDisabledETags.test_expired_etags_if_none_match_response