self = <swh.storage.tests.test_in_memory.TestInMemoryStorage object at 0x7f386f1a05f8> swh_storage = <swh.storage.in_memory.InMemoryStorage object at 0x7f386f1a09e8> sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f3865a59240> def test_origin_get_by_sha1(self, swh_storage, sample_data): origin = sample_data.origin assert swh_storage.origin_get([origin.url])[0] is None > swh_storage.origin_add([origin]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/storage_tests.py:1876: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7f386f1a09e8> 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