def list(self, **kwargs):
        return self.get_instances(kwargs)
Check that the last modified header is set.
dataset/ETHPy150Open balanced/status.balancedpayments.com/venv/lib/python2.7/site-packages/twilio/rest/resources/phone_numbers.py/PhoneNumbers.list--crossover with--dataset/ETHPy150Open skibblenybbles/django-daydreamer/daydreamer/tests/views/behaviors/http/tests.py/ConditionTestCase.test_last_modified