code: def _unique_file_id(path: Union[str, PathLike]) -> int:
      result = os.stat(path).st_ino
      assert result != 0
      return result
  
imports: import bz2
  import gzip
  import lzma
  import weakref
  from contextlib import contextmanager
  import glob
  import io
  import os
  import logging
  import json
  from abc import ABC
  from collections import defaultdict
  from datetime import timedelta
  from fnmatch import fnmatch
  from os import PathLike
  from pathlib import Path
  from typing import Optional, Tuple, Union, Callable, Set, List, Iterator, Iterable, Dict, NamedTuple, MutableMapping
  from weakref import WeakValueDictionary
  import shutil
  import pickle
  import time
  import warnings
  import cached_path
  from cached_path import resource_to_filename, check_tarfile, is_url_or_existing_file, find_latest_cached
  from cached_path.cache_file import CacheFile
  from cached_path.common import PathOrStr
  from cached_path.file_lock import FileLock
  from cached_path.meta import Meta
  import torch
  import numpy
  import lmdb
  from torch import Tensor
label_desc: Use image node_id 4 for calling a global function with example usage: _unique_file_id(path) and returns: result