code: def _is_active(self):
      return not self._shutdown_event.is_set()
  
imports: import random
  from websocket import WebSocketConnectionClosedException, WebSocketTimeoutException
  from neptune.common.websockets.websocket_client_adapter import WebsocketClientAdapter, WebsocketNotConnectedException
label_desc: Use image node_id 4 for calling the ReconnectingWebsocket obj's underlying member method code with example usage: obj._is_active() and returns: unknown