code: def on_error(ws, error):
      """
      Prints an error, if occurs.
  
      :param ws: WebSocketApp
      :param error: An error
      """
      print(error)
  
file_path: ParlAI/parlai/chat_service/services/terminal_chat/client.py
imports: import json
  import uuid
  import websocket
  import time
  import threading
  from parlai.core.params import ParlaiParser
label_desc: Use image node_id 4 for calling a global function with example usage: on_error(ws, error) without return types