code: def arg_parser():
      """
      Create an empty argparse.ArgumentParser.
  
      :return: (ArgumentParser)
      """
      import argparse
  
      return argparse.ArgumentParser(
          formatter_class=argparse.ArgumentDefaultsHelpFormatter
      )
  
file_path: stable-baselines/stable_baselines/common/cmd_util.py
imports: import os
  import warnings
  import gym
  from stable_baselines import logger
  from stable_baselines.bench import Monitor
  from stable_baselines.common.misc_util import set_global_seeds
  from stable_baselines.common.atari_wrappers import make_atari, wrap_deepmind
  from stable_baselines.common.misc_util import mpi_rank_or_zero
  from stable_baselines.common.vec_env import DummyVecEnv, SubprocVecEnv
label_desc: Use image node_id 5 for calling a global function with example usage: arg_parser() and returns: argparse