self = <swh.storage.tests.test_in_memory.TestInMemoryStorage object at 0x7f46000d2c50> swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7f4567115080> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f4546a83ac8> def test_origin_visit_get_by__no_result(self, swh_storage, sample_data): actual_visit = swh_storage.origin_visit_get_by("unknown", 10) # unknown origin assert actual_visit is None origin = sample_data.origin > swh_storage.origin_add([origin]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:2394: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7f4567115080> origins = [Origin(url='https://github.com/user1/repo1')] def origin_add(self, origins: List[Origin]) -> Dict[str, int]: > if not self._allow_overwrite: E AttributeError: 'InMemoryStorage' object has no attribute '_allow_overwrite' .tox/py3/lib/python3.7/site-packages/swh/storage/cassandra/storage.py:940: AttributeError