code: def test_daubechies_idaubechies():
      f = luispedro_jpg(1)
      f = f[:256, :256]
      fo = f.copy()
  
      d = mahotas.daubechies(f, "D8")
      r = mahotas.idaubechies(d, "D8")
      assert np.mean((r[4:-4, 4:-4] - fo[4:-4, 4:-4]) ** 2) < 1.0
  
imports: import numpy
  import mahotas
  import mahotas.convolve
  import mahotas
  from mahotas.convolve import convolve1d, gaussian_filter
  import mahotas._filters
  from mahotas.tests.utils import luispedro_jpg
  import pytest
label_desc: Use image node_id 16 for calling a global function with example usage: test_daubechies_idaubechies() without return types