code: def descriptions(self, lang):
      if lang == "undefined" or lang is None:
          lang = "zh"
      lang = lang.lower()
      return self._reader.get_descriptions(lang)
  
imports: import json
  from .profiler_reader import ProfilerReader
  from visualdl.server.api import gen_result
  from visualdl.server.api import result
label_desc: Use image node_id 7 for calling the ProfilerApi obj's underlying member method code with example usage: obj.descriptions(lang) and returns: self