code: def is_tornado_coroutine(func):
      """
      Return whether *func* is a Tornado coroutine function.
      Running coroutines are not supported.
      """
      if "tornado.gen" not in sys.modules:
          return False
      gen = sys.modules["tornado.gen"]
      if not hasattr(gen, "is_coroutine_function"):
          # Tornado version is too old
          return False
      return gen.is_coroutine_function(func)
  
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import builtins
  import dis
  import opcode
  import platform
  import sys
  import types
  import weakref
  import uuid
  import threading
  import typing
  import warnings
  from ._compat import pickle
  from typing import Generic, Union, Tuple, Callable
  from pickle import _getattribute
  from importlib._bootstrap import _find_spec
label_desc: Use image node_id 14 for calling a global function with example usage: is_tornado_coroutine(func) and returns: gen, False, False