code: def test_valid_audio_clang():
      """valid_audio: C-contiguous"""
      y = np.zeros(1000).reshape(2, 500)
      librosa.util.valid_audio(y, mono=False)
  
imports: import os
  import numpy
  import librosa
  import pytest
label_desc: Use image node_id 11 for calling a global function with example usage: test_valid_audio_clang() without return types