docstr: Add the command input options
docstr_tok: ["Add","the","command","input","options"]
code: def add_module_input_arg(self):
      """
      Add the command input options
      """
      self.arg_input_group.add_argument(
          "--input_image",
          type=str,
          default=None,
          help="Pictures to write poetry",
      )
  
imports: import argparse
  import ast
  import os
  import math
  import six
  from paddle.fluid.core import PaddleTensor, AnalysisConfig, create_paddle_predictor
  from paddlehub.module.module import runnable, serving, moduleinfo
  from paddlehub.io.parser import txt_parser
  import numpy
  import paddle.fluid
  import paddlehub
  from translate import Translator
  import reading_pictures_writing_poems_for_midautumn.MidAutumnDetection.module
  import reading_pictures_writing_poems_for_midautumn.MidAutumnPoetry.module
label_desc: Use image node_id 5 for calling the ReadingPicturesWritingPoems obj's underlying member method code with example usage: obj.add_module_input_arg() without return types