code: def _random_package_name(filename):
      # generate a random package name when loading config files
      return (
          _CFG_PACKAGE_NAME
          + str(uuid.uuid4())[:4]
          + "."
          + os.path.basename(filename)
      )
  
imports: import ast
  import builtins
  import collections.abc
  import importlib
  import inspect
  import logging
  import os
  import uuid
  from contextlib import contextmanager
  from copy import deepcopy
  from dataclasses import is_dataclass
  from typing import List, Tuple, Union
  import cloudpickle
  import yaml
  from omegaconf import DictConfig, ListConfig, OmegaConf, SCMode
  from detectron2.utils.file_io import PathManager
  from detectron2.utils.registry import _convert_target_to_string
label_desc: Use image node_id 4 for calling a global function with example usage: _random_package_name(filename) and returns: unknown