code: def test_window_bandwidth():
      hann_bw = librosa.filters.window_bandwidth("hann")
      hann_scipy_bw = librosa.filters.window_bandwidth(
          scipy.signal.windows.hann
      )
      assert hann_bw == hann_scipy_bw
  
imports: import os
  from contextlib import nullcontext
  import warnings
  import glob
  import numpy
  import scipy.io
  import scipy.signal
  from typing import Any, ContextManager
  import pytest
  import librosa
label_desc: Use image node_id 22 for calling a global function with example usage: test_window_bandwidth() without return types