code: def _from_file(self, cfg_file: Path):
      with cfg_file.open() as cfg_fh:
          self._cfg = json.load(cfg_fh)
  
imports: import json
  import logging
  import uuid
  from typing import Dict
  from pathlib import Path
  from aim.ext.notifier.utils import get_empty_config_path
label_desc: Use image node_id 4 for calling the Config obj's underlying member method code with example usage: obj._from_file(cfg_file) without return types