code: def audio_list(self, run, tag):
      key = os.path.join("data/plugin/audio/audio", run, tag)
      return self._get_with_retry(
          key, lib.get_audio_tag_steps, run, tag
      )
  
imports: import functools
  import gzip
  import json
  import os
  from io import BytesIO
  from flask import request
  from visualdl import LogReader
  from visualdl.python.cache import MemCache
  from visualdl.reader.graph_reader import GraphReader
  from visualdl.server import lib
  from visualdl.server.client_manager import ClientManager
  from visualdl.server.log import logger
label_desc: Use image node_id 31 for calling the Api obj's underlying member method code with example usage: obj.audio_list(run, tag) and returns: self