code: def main():
      """Run the CLI."""
      train_app()
  
imports: import importlib
  import json
  import os
  from pathlib import Path
  import re
  import sys
  import typer
  from typing import Optional
  import uuid
  import yaml
  import ray
  from ray.air.integrations.wandb import WandbLoggerCallback
  from ray.tune.resources import resources_to_json, json_to_resources
  from ray.tune.tune import run_experiments
  from ray.tune.schedulers import create_scheduler
  from ray.rllib.utils.framework import try_import_tf, try_import_torch
  from ray.rllib.common import CLIArguments
  from ray.rllib.common import FrameworkEnum, SupportedFileType
  from ray.rllib.common import download_example_file, get_file_type
label_desc: Use image node_id 7 for calling a global function with example usage: main() without return types