code: def _check_integrity(self) -> bool:
      st1 = check_integrity(
          os.path.join(self.root, self.filename), self.md5
      )
      st2 = check_integrity(
          os.path.join(self.root, self.labels_file),
          self.checksums[self.labels_file],
      )
      if not st1 or not st2:
          return False
      if self.view == "people":
          return check_integrity(
              os.path.join(self.root, self.names),
              self.checksums[self.names],
          )
      return True
  
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 3 for calling the _LFW obj's underlying member method code with example usage: obj._check_integrity() and returns: True, False, check_integrity