code: def calculate_delay(self):
      return self._compute_delay(self.retries, self.MAX_RETRY_DELAY)
  
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 ReconnectCounter obj's underlying member method code with example usage: obj.calculate_delay() and returns: self