def test_was_modified_since_fallback(self):
        file_wrapper = mock.Mock()
        file_wrapper.was_modified_since = mock.Mock(
            side_effect=NotImplementedError)
        type(file_wrapper).modified_time = mock.PropertyMock(
            side_effect=NotImplementedError)
        mixin = views.DownloadMixin()
        self.assertIs(
            mixin.was_modified_since(file_wrapper, 'fake since'),
            True)
Get a single hypervisor
dataset/ETHPy150Open benoitbryon/django-downloadview/tests/views.py/DownloadMixinTestCase.test_was_modified_since_fallback--crossover with--dataset/ETHPy150Open openstack/python-openstacksdk/openstack/compute/v2/_proxy.py/Proxy.get_hypervisor