code: def _is_path(name_or_buf):
      return isinstance(name_or_buf, str) or isinstance(
          name_or_buf, pathlib.Path
      )
  
imports: import torch
  from torch.utils.data import Dataset
  import io
  import os
  import pathlib
  from cryptography.fernet import Fernet
  from typing import BinaryIO, Union, IO, Optional
  import pickle
  from bigdl.nano.utils.common import invalidInputError
label_desc: Use image node_id 1 for calling a global function with example usage: _is_path(name_or_buf) and returns: unknown