code: def audio_file():
      return os.path.join(
          "tests", "features", "data", "test_audio_44100.wav"
      )
  
imports: import contextlib
  import csv
  import json
  import os
  import sqlite3
  import tarfile
  import textwrap
  import zipfile
  import pyarrow
  import pyarrow.parquet
  import pytest
  import datasets
  import datasets.config
label_desc: Use image node_id 45 for calling a global function with example usage: audio_file() and returns: os