code: def get_executor(progressbar_class):
      """Return the default executor."""
      return StandardExecutor(pbar_class=progressbar_class)
  
imports: from __future__ import annotations
  import logging
  import logging.handlers
  import multiprocessing
  import os
  import queue
  import signal
  import sys
  import threading
  from collections.abc import Iterable
  from concurrent.futures import ProcessPoolExecutor, ThreadPoolExecutor, as_completed
  from contextlib import suppress
  from typing import Callable, Union
  from rich.console import Console
  from ocrmypdf import Executor, hookimpl
  from ocrmypdf._logging import RichLoggingHandler
  from ocrmypdf._progressbar import RichProgressBar
  from ocrmypdf.exceptions import InputFileError
  from ocrmypdf.helpers import remove_all_log_handlers
label_desc: Use image node_id 5 for calling a global function with example usage: get_executor(progressbar_class) and returns: StandardExecutor