code: def __setitem__(self, key, value):
      raise ValueError("cannot update experiment!")
  
imports: import logging
  import os
  import traceback
  from abc import ABCMeta, abstractmethod
  from pathlib import Path
  from typing import Any, Callable, Dict, List, Mapping, Type, Union
  import toml
  import yaml
label_desc: Use image node_id 11 for calling the ExperimentConfig obj's underlying member method code with example usage: obj.__setitem__(key, value) without return types