code: def test_daisy_visualization():
      img = img_as_float(data.astronaut()[:32, :32].mean(axis=2))
      descs, descs_img = daisy(img, visualize=True)
      assert descs_img.shape == (32, 32, 3)
  
file_path: scikit-image/skimage/feature/tests/test_daisy.py
imports: import numpy
  import pytest
  from numpy import sqrt, ceil
  from numpy.testing import assert_almost_equal
  from skimage import data
  from skimage import img_as_float
  from skimage.feature import daisy
label_desc: Use image node_id 7 for calling a global function with example usage: test_daisy_visualization() without return types