code: def merge_dict(self, config_file: Optional[Dict[str, Any]]):
      if config_file is None:
          return
      for a, b in config_file.items():
          self.update(a, b)
  
imports: import datetime
  import os
  import pydoc
  from typing import Any, Callable, Dict, List, Optional, Type, Union
  import appdirs
  import yaml
  import logging
  from rich.logging import RichHandler
  from .None import _fwd
  from ._modules import PolymorphicChecker, ResourceLoader, Searcher
label_desc: Use image node_id 3 for calling the Config obj's underlying member method code with example usage: obj.merge_dict(config_file) without return types