code: def test_sg_coeffs_compare():
      # Compare savgol_coeffs() to alt_sg_coeffs().
      for window_length in range(1, 8, 2):
          for order in range(window_length):
              compare_coeffs_to_alt(window_length, order)
  
file_path: catboost/contrib/python/scipy/py3/scipy/signal/tests/test_savitzky_golay.py
imports: import numpy
  from numpy.testing import assert_allclose, assert_equal, assert_almost_equal, assert_array_equal, assert_array_almost_equal
  from scipy.ndimage import convolve1d
  from scipy.signal import savgol_coeffs, savgol_filter
  from scipy.signal._savitzky_golay import _polyder
label_desc: Use image node_id 6 for calling a global function with example usage: test_sg_coeffs_compare() without return types