code: def handle_callback_exception(self, callback):
      self.io_loop.handle_callback_exception(callback)
  
imports: from __future__ import absolute_import, division, print_function
  import collections
  import functools
  import logging
  import pycurl
  import threading
  import time
  from io import BytesIO
  from tornado import httputil
  from tornado import ioloop
  from tornado import stack_context
  from tornado.escape import utf8, native_str
  from tornado.httpclient import HTTPResponse, HTTPError, AsyncHTTPClient, main
label_desc: Use image node_id 12 for calling the CurlAsyncHTTPClient obj's underlying member method code with example usage: obj.handle_callback_exception(callback) without return types