code: def _delete_option(key: str) -> None:
      """Remove a ConfigOption by key from the global store.
  
      Only for use in testing.
      """
      try:
          del _config_options_template[key]
          del cast(Dict[str, ConfigOption], _config_options)[key]
      except Exception:
          # We don't care if the option already doesn't exist.
          pass
  
imports: import copy
  import os
  import secrets
  import threading
  from collections import OrderedDict
  from typing import Any, Callable, Dict, Optional, cast
  import toml
  from blinker import Signal
  from streamlit import config_util, development, env_util, file_util, util
  from streamlit.config_option import ConfigOption
  from streamlit.errors import StreamlitAPIException
label_desc: Use image node_id 7 for calling a global function with example usage: _delete_option(key) without return types