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 for prediction",
      )
  
file_path: PaddleHub/modules/text/text_generation/ernie_tiny_couplet/module.py
imports: import os
  import ast
  import argparse
  import paddlehub
  from paddlehub.module.module import moduleinfo, serving, runnable
  from paddlehub.module.nlp_module import DataFormatError
label_desc: Use image node_id 3 for calling the ErnieTinyCouplet obj's underlying member method code with example usage: obj.add_module_config_arg() without return types