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="output_pose",
          help="The directory to save output images.",
      )
      self.arg_config_group.add_argument(
          "--visualization",
          type=ast.literal_eval,
          default=False,
          help="whether to save output as images.",
      )
      self.arg_config_group.add_argument(
          "--batch_size",
          type=ast.literal_eval,
          default=1,
          help="batch size.",
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  import ast
  import os
  import argparse
  import paddle
  import paddle.jit
  import paddle.static
  import numpy
  from paddle.inference import Config, create_predictor
  from paddlehub.module.module import moduleinfo, runnable, serving
  from .processor import base64_to_cv2, postprocess
  from .data_feed import reader
label_desc: Use image node_id 6 for calling the HumanPoseEstimation obj's underlying member method code with example usage: obj.add_module_config_arg() without return types