code: def check_dummies(overwrite: bool = False):
      """
      Check if the dummy files are up to date and maybe `overwrite` with the right content.
  
      Args:
          overwrite (`bool`, *optional*, default to `False`):
              Whether or not to overwrite the content of the dummy files. Will raise an error if they are not up to date
              when `overwrite=False`.
      """
      dummy_files = create_dummy_files()
      # For special correspondence backend name to shortcut as used in utils/dummy_xxx_objects.py
      short_names = {"torch": "pt"}
  
      # Locate actual dummy modules and read their content.
      path = os.path.join(PATH_TO_TRANSFORMERS, "utils")
      dummy_file_paths = {
          backend: os.path.join(
              path,
              f"dummy_{short_names.get(backend, backend)}_objects.py",
          )
          for backend in dummy_files.keys()
      }
  
      actual_dummies = {}
      for backend, file_path in dummy_file_paths.items():
          if os.path.isfile(file_path):
              with open(
                  file_path, "r", encoding="utf-8", newline="\n"
              ) as f:
                  actual_dummies[backend] = f.read()
          else:
              actual_dummies[backend] = ""
  
      # Compare actual with what they should be.
      for backend in dummy_files.keys():
          if dummy_files[backend] != actual_dummies[backend]:
              if overwrite:
                  print(
                      f"Updating transformers.utils.dummy_{short_names.get(backend, backend)}_objects.py as the main "
                      "__init__ has new objects."
                  )
                  with open(
                      dummy_file_paths[backend],
                      "w",
                      encoding="utf-8",
                      newline="\n",
                  ) as f:
                      f.write(dummy_files[backend])
              else:
                  raise ValueError(
                      "The main __init__ has objects that are not present in "
                      f"transformers.utils.dummy_{short_names.get(backend, backend)}_objects.py. Run `make fix-copies` "
                      "to fix this."
                  )
  
file_path: transformers/utils/check_dummies.py
imports: import argparse
  import os
  import re
  from typing import Dict, List, Optional
label_desc: Use image node_id 5 for calling a global function with example usage: check_dummies(overwrite) without return types