Traceback (most recent call last):
  File "U:\PythonProject\Janssen\Outlook\import_emails_to_mongo_v1.0.py", line 370, in <module>
    main()
  File "U:\PythonProject\Janssen\Outlook\import_emails_to_mongo_v1.0.py", line 285, in main
    ensure_indexes(col)
  File "U:\PythonProject\Janssen\Outlook\import_emails_to_mongo_v1.0.py", line 249, in ensure_indexes
    col.create_index([("message_id", ASCENDING)], unique=True, sparse=True,
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\collection.py", line 2391, in create_index
    return (self._create_indexes([index], session, **cmd_options))[0]
            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\_csot.py", line 125, in csot_wrapper
    return func(self, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\collection.py", line 2273, in _create_indexes
    return self.database.client._retryable_write(False, inner, session, _Op.CREATE_INDEXES)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 2113, in _retryable_write
    return self._retry_with_session(retryable, func, s, bulk, operation, operation_id)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 1986, in _retry_with_session
    return self._retry_internal(
           ^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\_csot.py", line 125, in csot_wrapper
    return func(self, *args, **kwargs)
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 2038, in _retry_internal
    ).run()
      ^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 2811, in run
    res = self._read() if self._is_read else self._write()
                                             ^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 2992, in _write
    self._server = self._get_server()
                   ^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 2975, in _get_server
    return self._client._select_server(
           ^^^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\mongo_client.py", line 1851, in _select_server
    server = topology.select_server(
             ^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\topology.py", line 428, in select_server
    server = self._select_server(
             ^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\topology.py", line 402, in _select_server
    servers = self.select_servers(
              ^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\topology.py", line 298, in select_servers
    server_descriptions = self._select_servers_loop(
                          ^^^^^^^^^^^^^^^^^^^^^^^^^^
  File "U:\PythonProject\Janssen\.venv\Lib\site-packages\pymongo\synchronous\topology.py", line 359, in _select_servers_loop
    raise ServerSelectionTimeoutError(
pymongo.errors.ServerSelectionTimeoutError: localhost:27017: [WinError 10061] No connection could be made because the target machine actively refused it (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms), Timeout: 30s, Topology Description: <TopologyDescription id: 6a2125ac7fc169e1cd7044c5, topology_type: Unknown, servers: [<ServerDescription ('localhost', 27017) server_type: Unknown, rtt: None, error=AutoReconnect('localhost:27017: [WinError 10061] No connection could be made because the target machine actively refused it (configured timeouts: socketTimeoutMS: 20000.0ms, connectTimeoutMS: 20000.0ms)')>]>