code: def y_multi(request):
      infile = request.param
      return librosa.load(
          os.path.join("tests", "data", infile), sr=None, mono=False
      )
  
imports: import warnings
  import os
  from contextlib import nullcontext
  import numpy
  import pytest
  import librosa
label_desc: Use image node_id 1 for calling a global function with example usage: y_multi(request) and returns: librosa