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("--query", type=str)
      self.arg_input_group.add_argument(
          "--appid", type=str, default=None, help="注册得到的个人appid"
      )
      self.arg_input_group.add_argument(
          "--appkey", type=str, default=None, help="注册得到的个人appkey"
      )
  
file_path: PaddleHub/modules/text/machine_translation/baidu_language_recognition/module.py
imports: import argparse
  import os
  import random
  from hashlib import md5
  from typing import Optional
  import requests
  import paddlehub
  from paddlehub.module.module import moduleinfo
  from paddlehub.module.module import runnable
  from paddlehub.module.module import serving
label_desc: Use image node_id 5 for calling the BaiduLanguageRecognition obj's underlying member method code with example usage: obj.add_module_input_arg() without return types