code: def _audio_files(_):
      raw_audio_path = str(Path(flash.ASSETS_ROOT) / "example.wav")
  
      return [raw_audio_path, raw_audio_path], 1
  
imports: from pathlib import Path
  from typing import Tuple
  import flash
  import numpy
  import pytest
  import torch
  from flash.audio import AudioClassificationData
  from flash.core.utilities.imports import _MATPLOTLIB_AVAILABLE, _PIL_AVAILABLE, _TOPIC_AUDIO_AVAILABLE
  from pytorch_lightning import seed_everything
label_desc: Use image node_id 3 for calling a global function with example usage: _audio_files(_) and returns: list,  int