self = <swh.objstorage.tests.test_objstorage_azure.TestAzureCloudObjStorageBz2 testMethod=test_add_stream> def test_add_stream(self): content = [b"chunk1", b"chunk2"] _, obj_id = self.hash_content(b"".join(content)) try: > self.storage.add_stream(iter(content), obj_id=obj_id) E AttributeError: 'AzureCloudObjStorage' object has no attribute 'add_stream' .tox/py3/lib/python3.7/site-packages/swh/objstorage/tests/objstorage_testing.py:139: AttributeError