docs: def set_executing(on: bool):
      """
      Toggle whether or not the current thread is executing a step file. This
      will only apply when the current thread is a CauldronThread. This function
      has no effect when run on a Main thread.
  
      :param on:
          Whether or not the thread should be annotated as executing a step file.
      """
  
      my_thread = threading.current_thread()
  
      if isinstance(my_thread, threads.CauldronThread):
          my_thread.is_executing = on