code: def _dummy_context_manager() -> Generator[None, None, None]:
      yield
  
imports: from __future__ import annotations
  from abc import ABCMeta, abstractmethod, abstractproperty
  from contextlib import contextmanager
  from typing import Callable, ContextManager, Generator
  from prompt_toolkit.key_binding import KeyPress
label_desc: Use image node_id 1 for calling a global function with example usage: _dummy_context_manager() without return types