code: def main():
      """
      Runs the test
      """
      args = atari_arg_parser().parse_args()
      train(args.env, num_timesteps=args.num_timesteps, seed=args.seed)
  
file_path: stable-baselines/stable_baselines/ppo1/run_atari.py
imports: import os
  from mpi4py import MPI
  from stable_baselines.common import set_global_seeds
  from stable_baselines import bench, logger, PPO1
  from stable_baselines.common.atari_wrappers import make_atari, wrap_deepmind
  from stable_baselines.common.cmd_util import atari_arg_parser
  from stable_baselines.common.policies import CnnPolicy
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types