code: def __exit__(
      self,
      exc_type: Optional[Type[BaseException]],
      exc_value: Optional[BaseException],
      traceback: Optional[TracebackType],
  ) -> None:
      self._ref_count -= 1
      if self._ref_count == 0:
          super().__exit__(exc_type, exc_value, traceback)
  
file_path: pyro/pyro/poutine/reentrant_messenger.py
imports: import functools
  from types import TracebackType
  from typing import Callable, Optional, Type, TypeVar
  from typing_extensions import ParamSpec, Self
  from pyro.poutine.messenger import Messenger
label_desc: Use image node_id 4 for calling the ReentrantMessenger obj's underlying member method code with example usage: obj.__exit__(exc_type, exc_value, traceback) without return types