docstr: Add the command config options.
docstr_tok: ["Add","the","command","config","options","."]
code: def add_module_config_arg(self):
      """
      Add the command config options.
      """
      self.arg_config_group.add_argument(
          "--use_gpu", action="store_true", help="use GPU or not"
      )
  
      self.arg_config_group.add_argument(
          "--output_dir",
          type=str,
          default="enlightening_result",
          help="output directory for saving result.",
      )
      self.arg_config_group.add_argument(
          "--visualization",
          type=bool,
          default=False,
          help="save results or not.",
      )
  
file_path: PaddleHub/modules/image/image_processing/enlightengan/module.py
imports: import argparse
  import os
  import cv2
  import numpy
  import paddle
  import paddlehub
  from .enlighten_inference.pd_model.x2paddle_code import ONNXModel
  from .util import base64_to_cv2
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
label_desc: Use image node_id 5 for calling the EnlightenGAN obj's underlying member method code with example usage: obj.add_module_config_arg() without return types