code: def validate_assistant_id_in_config(
      config_file: Union["Path", Text]
  ) -> None:
      """Verifies that the assistant_id key exists and has a unique value in config.
  
      Issues a warning if the key does not exist or has the default value and replaces it
      with a pseudo-random string value.
      """
      config_data = rasa.shared.utils.io.read_config_file(
          config_file, reader_type=["safe", "rt"]
      )
      assistant_id = config_data.get(ASSISTANT_ID_KEY)
  
      if (
          assistant_id is None
          or assistant_id == ASSISTANT_ID_DEFAULT_VALUE
      ):
          rasa.shared.utils.io.raise_warning(
              f"The config file '{config_file!s}' is missing a unique value for the "
              f"'{ASSISTANT_ID_KEY}' mandatory key. Proceeding with generating a random "
              f"value and overwriting the '{ASSISTANT_ID_KEY}' in the config file."
          )
  
          # add random value for assistant id, overwrite config file
          time_format = "%Y%m%d-%H%M%S"
          config_data[
              ASSISTANT_ID_KEY
          ] = f"{time.strftime(time_format)}-{randomname.get_name()}"
  
          rasa.shared.utils.io.write_yaml(
              data=config_data,
              target=config_file,
              should_preserve_key_order=True,
          )
  
      return
  
imports: import json
  import argparse
  import logging
  import os
  import sys
  import time
  from types import FrameType
  from typing import Any, Dict, List, Optional, TYPE_CHECKING, Text, Union, overload
  import randomname
  import rasa.shared.utils.cli
  import rasa.shared.utils.io
  from rasa.shared.importers.importer import TrainingDataImporter
  from rasa.shared.constants import ASSISTANT_ID_DEFAULT_VALUE, ASSISTANT_ID_KEY, DEFAULT_CONFIG_PATH
  from rasa.shared.utils.cli import print_error
  from rasa import telemetry
label_desc: Use image node_id 5 for calling a global function with example usage: validate_assistant_id_in_config(config_file) without return types