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="denoising_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/seeinthedark/module.py
imports: import os
  import argparse
  import paddle
  import paddlehub
  from paddlehub.module.module import moduleinfo, runnable, serving
  import numpy
  import rawpy
  import cv2
  from .util import base64_to_cv2
label_desc: Use image node_id 6 for calling the LearningToSeeInDark obj's underlying member method code with example usage: obj.add_module_config_arg() without return types