@pytest.fixture(scope="module") def graph_grpc_server(): server = GraphServerProcess() server.start() if isinstance(server.result, Exception): > raise server.result E AttributeError: 'GraphServerProcess' object has no attribute 'get_rpc_url' .tox/py3/lib/python3.7/site-packages/swh/graph/tests/conftest.py:53: AttributeError