self = <swh.storage.tests.test_in_memory.TestInMemoryStorage object at 0x7fb6398093c8> swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7fb639809d68> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7fb62ae9d198> def test_origin_visit_status_get_random(self, swh_storage, sample_data): origins = sample_data.origins[:2] > swh_storage.origin_add(origins) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:1808: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7fb639809d68> origins = (Origin(url='https://github.com/user1/repo1'), Origin(url='https://github.com/user2/repo1')) def origin_add(self, origins: List[Origin]) -> Dict[str, int]: > if self._check_missing: E AttributeError: 'InMemoryStorage' object has no attribute '_check_missing' .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:937: AttributeError