pytestconfig = <_pytest.config.Config object at 0x7f456b683438> @pytest.fixture(scope='function') def mongodb(pytestconfig): dbname = pytestconfig.getoption('mongodb_dbname') or pytestconfig.getini('mongodb_dbname') client = make_mongo_client(pytestconfig) db = client[dbname] > clean_database(db) .tox/py3/lib/python3.7/site-packages/pytest_mongodb/plugin.py:70: _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ .tox/py3/lib/python3.7/site-packages/pytest_mongodb/plugin.py:86: in clean_database for name in list_collection_names(db): .tox/py3/lib/python3.7/site-packages/pytest_mongodb/plugin.py:92: in list_collection_names return db.list_collection_names() .tox/py3/lib/python3.7/site-packages/pymongo/database.py:880: in list_collection_names for result in self.list_collections(session=session, **kwargs)] .tox/py3/lib/python3.7/site-packages/pymongo/database.py:843: in list_collections _cmd, read_pref, session) .tox/py3/lib/python3.7/site-packages/pymongo/mongo_client.py:1515: in _retryable_read read_pref, session, address=address) .tox/py3/lib/python3.7/site-packages/pymongo/mongo_client.py:1346: in _select_server server = topology.select_server(server_selector) .tox/py3/lib/python3.7/site-packages/pymongo/topology.py:246: in select_server address)) .tox/py3/lib/python3.7/site-packages/pymongo/topology.py:203: in select_servers selector, server_timeout, address) _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ self = <Topology <TopologyDescription id: 61249824709846306c4faec8, topology_type: Single, servers: [<ServerDescription ('loc...st', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [Errno 111] Connection refused')>]>> selector = Primary(), timeout = 30, address = None def _select_servers_loop(self, selector, timeout, address): """select_servers() guts. Hold the lock when calling this.""" now = _time() end_time = now + timeout server_descriptions = self._description.apply_selector( selector, address, custom_selector=self._settings.server_selector) while not server_descriptions: # No suitable servers. if timeout == 0 or now > end_time: raise ServerSelectionTimeoutError( "%s, Timeout: %ss, Topology Description: %r" % > (self._error_message(selector), timeout, self.description)) E pymongo.errors.ServerSelectionTimeoutError: localhost:27017: [Errno 111] Connection refused, Timeout: 30s, Topology Description: <TopologyDescription id: 61249824709846306c4faec8, topology_type: Single, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [Errno 111] Connection refused')>]> .tox/py3/lib/python3.7/site-packages/pymongo/topology.py:220: ServerSelectionTimeoutError