code: def test_find():
      for _ in range(16):
          f = np.random.random((128, 128))
          c0, c1 = 43, 23
          for h, w in [(12, 56), (11, 7), (12, 7)]:
              matches = mh.find(f, f[c0 : c0 + h, c1 : c1 + w])
              coords = np.array(np.where(matches))
              assert np.all(coords.T == np.array((c0, c1)), 1).any()
  
imports: import numpy
  import mahotas
label_desc: Use image node_id 1 for calling a global function with example usage: test_find() without return types