code: def mk_awaitable():
      from abc import abstractmethod, ABCMeta
  
      @abstractmethod
      def __await__(self):
          yield
  
      @classmethod
      def __subclasshook__(cls, C):
          if cls is Awaitable:
              for B in get_mro(C):
                  if "__await__" in B.__dict__:
                      if B.__dict__["__await__"]:
                          return True
                      break
          return NotImplemented
  
      # calling metaclass directly as syntax differs in Py2/Py3
      Awaitable = ABCMeta(
          "Awaitable",
          (),
          {
              "__slots__": (),
              "__await__": __await__,
              "__subclasshook__": __subclasshook__,
          },
      )
  
      return Awaitable
  
label_desc: Use image node_id 4 for calling a global function with example usage: mk_awaitable() and returns: Awaitable, NotImplemented, True