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_text",
          type=str,
          default=None,
          help="input_text is str",
      )
  
imports: import argparse
  import ast
  import os
  import math
  import six
  import time
  from pathlib import Path
  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
  from paddlehub.compat.module.nlp_module import DataFormatError
  import numpy
  import paddle
  import paddlehub
label_desc: Use image node_id 4 for calling the Rumorprediction obj's underlying member method code with example usage: obj.add_module_input_arg() without return types