code: def main():
      """
      Runs the test
      """
      args = mujoco_arg_parser().parse_args()
      train(args.env, num_timesteps=args.num_timesteps, seed=args.seed)
  
imports: from mpi4py import MPI
  from stable_baselines.common.cmd_util import make_mujoco_env, mujoco_arg_parser
  from stable_baselines.common.policies import MlpPolicy
  from stable_baselines import logger
  from stable_baselines.trpo_mpi import TRPO
  import stable_baselines.common.tf_util
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types