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",
          type=ast.literal_eval,
          default=False,
          help="whether use GPU or not",
      )
      self.arg_config_group.add_argument(
          "--output_dir",
          type=str,
          default="falsr_a_output",
          help="The directory to save output images.",
      )
      self.arg_config_group.add_argument(
          "--save_dir",
          type=str,
          default="falsr_a_save_model",
          help="The directory to save model.",
      )
      self.arg_config_group.add_argument(
          "--visualization",
          type=ast.literal_eval,
          default=True,
          help="whether to save output as images.",
      )
  
imports: import argparse
  import ast
  import os
  import numpy
  from paddle.inference import Config
  from paddle.inference import create_predictor
  from .data_feed import reader
  from .processor import base64_to_cv2
  from .processor import check_dir
  from .processor import cv2_to_base64
  from .processor import postprocess
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
label_desc: Use image node_id 6 for calling the Falsr_A obj's underlying member method code with example usage: obj.add_module_config_arg() without return types