code: def walk(
      self, path: path_type
  ) -> Iterator[Tuple[str, List[str], List[str]]]:
      path = stringify_path(path)
      return os.walk(path)
  
imports: import glob
  import os
  import shutil
  from typing import List, Dict, Union, Tuple, Iterator, BinaryIO, TextIO
  from ...utils import implements, stringify_path
  from .base import FileSystem, path_type
label_desc: Use image node_id 13 for calling the LocalFileSystem obj's underlying member method code with example usage: obj.walk(path) and returns: os