code: def test_valid_audio_inf():
      """valid_audio: Inf"""
      y = np.zeros(1000)
      y[10] = np.inf
      librosa.util.valid_audio(y)
  
imports: import os
  import numpy
  import librosa
  import pytest
label_desc: Use image node_id 9 for calling a global function with example usage: test_valid_audio_inf() without return types