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(
          "--batch_size",
          type=int,
          default=1,
          help="batch size for prediction",
      )
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import os
  import ast
  import argparse
  from math import ceil
  import paddle
  import numpy
  import paddle.static
  from paddlehub.module.module import moduleinfo, runnable, serving
  from paddle.inference import Config, create_predictor
  from paddlehub.utils.parser import txt_parser
  from .processor import load_label_info, postprocess, base64_to_cv2
  from .data_feed import test_reader, padding_minibatch
label_desc: Use image node_id 4 for calling the FasterRCNNResNet50 obj's underlying member method code with example usage: obj.add_module_config_arg() without return types