code: def exists(self) -> bool:
      return self._cfg_file.exists()
  
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 2 for calling the Config obj's underlying member method code with example usage: obj.exists() and returns: self