sample_data = <swh.storage.tests.storage_data.StorageData object at 0x7f4721fde390> def test_buffering_proxy_storage_revision_deduplicate(sample_data) -> None: revisions = sample_data.revisions[:2] storage = get_storage_with_buffer_config(min_batch_size={"revision": 2,}) s = storage.revision_add([revisions[0], revisions[0]]) assert s == {} s = storage.revision_add([revisions[0]]) assert s == {} > s = storage.revision_add([revisions[1]]) .tox/py3/lib/python3.7/site-packages/swh/storage/tests/test_buffer.py:326: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/swh/storage/buffer.py:138: in object_add return self.flush() .tox/py3/lib/python3.7/site-packages/swh/storage/buffer.py:156: in flush stats = add_fn(list(batch)) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <swh.storage.in_memory.InMemoryStorage object at 0x7f4721fde780> revisions = [Revision(message=b'hello', author=Person(fullname=b'Nicolas Dandrimont <nicolas@example.com> ', name=b'Nicolas Dandri...1b,\xad\xda#zh\xad\xbb\x12',), id=b'\xa6F\xdd\x94\xc9\x12\x82\x96Y\xb2*\x1e~\x14=/\xa5\xeb\xde\x1b', extra_headers=())] def revision_add(self, revisions: List[Revision]) -> Dict: # Filter-out revisions already in the database > 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:526: AttributeError