code: def recursively_lint_files():
      """Recursively lint all python files in chosen subdirectories of megatron-lm"""
  
      try:
          import autopep8
      except ModuleNotFoundError:
          print(
              "Please first install autopep8 via `pip install autopep8`"
          )
          return
  
      # get all python file paths from top level directory
      file_dir = str(pathlib.Path(__file__).parent.absolute())
      working_dir = osp.join(file_dir, os.pardir)
      all_py_paths = set(
          os.path.join(working_dir, fname)
          for fname in os.listdir(working_dir)
          if ".py" in fname
      )
  
      # get all python file paths from chosen subdirectories
      check_dirs = [
          "docker",
          "megatron",
          "openwebtext",
          "scripts",
          "tasks",
      ]
      for sub_dir in check_dirs:
          for path, _, fnames in os.walk(
              osp.join(working_dir, sub_dir)
          ):
              all_py_paths.update(
                  set(
                      osp.join(path, fname)
                      for fname in fnames
                      if ".py" in fname
                  )
              )
  
      print("Linting the following: ")
      for py_path in all_py_paths:
          print(py_path)
          command = "autopep8 --max-line-length 100 --aggressive --in-place {}".format(
              py_path
          )
          subprocess.check_call(command)
  
imports: import os
  import os.path
  import pathlib
  import subprocess
label_desc: Use image node_id 1 for calling a global function with example usage: recursively_lint_files() without return types