code: def _get_path(self, identity: str, no: Union[int, str]) -> str:
      return os.path.join(
          self.images_dir, identity, f"{identity}_{int(no):04d}.jpg"
      )
  
imports: import os
  from typing import Any, Callable, Dict, List, Optional, Tuple, Union
  from PIL import Image
  from .utils import check_integrity, download_and_extract_archive, download_url, verify_str_arg
  from .vision import VisionDataset
label_desc: Use image node_id 5 for calling the _LFW obj's underlying member method code with example usage: obj._get_path(identity, no) and returns: os