code: def __init__(self):
      pass
  
imports: from __future__ import absolute_import, division, print_function
  import re
  from tornado.concurrent import Future
  from tornado.escape import native_str, utf8
  from tornado import gen
  from tornado import httputil
  from tornado import iostream
  from tornado.log import gen_log, app_log
  from tornado import stack_context
  from tornado.util import GzipDecompressor, PY3
label_desc: Use image node_id 1 to create a new _QuietException object from inherited base classes: Exception with example: obj = _QuietException()