docstr: Run as a service.
docstr_tok: ["Run","as","a","service","."]
code: def serving_method(self, query, from_lang, to_lang):
      """
      Run as a service.
      """
      return self.translate(query, from_lang, to_lang)
  
file_path: PaddleHub/modules/text/machine_translation/baidu_translate/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 4 for calling the BaiduTranslate obj's underlying member method code with example usage: obj.serving_method(query, from_lang, to_lang) and returns: self