code: def test_get_window_pre(pre_win):
      win = librosa.filters.get_window(pre_win, len(pre_win))
      assert np.allclose(win, pre_win)
  
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 30 for calling a global function with example usage: test_get_window_pre(pre_win) without return types