code: def test_blob_log_no_warnings():
      img = np.ones((11, 11))
  
      xs, ys = disk((5, 5), 2)
      img[xs, ys] = 255
  
      xs, ys = disk((7, 6), 2)
      img[xs, ys] = 255
  
      blob_log(img, max_sigma=20, num_sigma=10, threshold=0.1)
  
imports: import math
  import numpy
  import pytest
  from numpy.testing import assert_almost_equal
  from skimage import feature
  from skimage.draw import disk
  from skimage.draw.draw3d import ellipsoid
  from skimage.feature import blob_dog, blob_doh, blob_log
  from skimage.feature.blob import _blob_overlap
label_desc: Use image node_id 7 for calling a global function with example usage: test_blob_log_no_warnings() without return types