code: def _path2str(cfg: dict, absolute: bool = False) -> dict:
      """
      Private function to traverse a config dict and convert pathlib Path's to strings.
  
      Parameters
      ----------
      cfg
          The config dict.
      absolute
          Whether to convert to absolute filepaths.
  
      Returns
      -------
      The converted config dict.
      """
      for k, v in cfg.items():
          if isinstance(v, dict):
              _path2str(v, absolute)
          elif isinstance(v, Path):
              if absolute:
                  v = v.resolve()
              cfg.update({k: str(v.as_posix())})
      return cfg
  
imports: import logging
  import os
  import shutil
  import warnings
  from functools import partial
  from pathlib import Path
  from typing import Callable, Optional, Tuple, Union, Any, Dict, TYPE_CHECKING
  import dill
  import numpy
  import toml
  from transformers import PreTrainedTokenizerBase
  from alibi_detect.saving._typing import VALID_DETECTORS
  from alibi_detect.saving.loading import _replace, validate_config, STATE_PATH
  from alibi_detect.saving.registry import registry
  from alibi_detect.utils._types import supported_models_all, supported_models_tf, supported_models_torch, supported_models_sklearn
  from alibi_detect.base import Detector, ConfigurableDetector, StatefulDetectorOnline
  from alibi_detect.saving._tensorflow import save_detector_legacy, save_model_config_tf, save_optimizer_config_tf
  from alibi_detect.saving._pytorch import save_model_config_pt, save_device_pt
  from alibi_detect.saving._sklearn import save_model_config_sk
label_desc: Use image node_id 7 for calling a global function with example usage: _path2str(cfg, absolute) and returns: cfg