Fix test cases

skimage/feature/tests/test_brief.py

@@ -3,8 +3,7 @@ from numpy.testing import assert_array_equal, assert_raises
 from skimage import data
 from skimage import transform as tf
 from skimage.color import rgb2gray
-from skimage.feature import (BRIEF, match_binary_descriptors,
-                             corner_peaks, corner_harris)
+from skimage.feature import BRIEF, corner_peaks, corner_harris
 
 
 def test_color_image_unsupported_error():

skimage/feature/tests/test_util.py

@@ -1,30 +1,5 @@
 import numpy as np
 from numpy.testing import assert_array_equal
-from skimage.feature.util import pairwise_hamming_distance
-
-
-def test_pairwise_hamming_distance_range():
-    """Values of all the pairwise hamming distances should be in the range
-    [0, 1]."""
-    a = np.random.random_sample((10, 50)) > 0.5
-    b = np.random.random_sample((20, 50)) > 0.5
-    dist = pairwise_hamming_distance(a, b)
-    assert np.all((0 <= dist) & (dist <= 1))
-
-
-def test_pairwise_hamming_distance_value():
-    """The result of pairwise_hamming_distance of two fixed sets of boolean
-    vectors should be same as expected."""
-    np.random.seed(10)
-    a = np.random.random_sample((4, 100)) > 0.5
-    np.random.seed(20)
-    b = np.random.random_sample((3, 100)) > 0.5
-    result = pairwise_hamming_distance(a, b)
-    expected = np.array([[0.5 ,  0.49,  0.44],
-                         [0.44,  0.53,  0.52],
-                         [0.4 ,  0.55,  0.5 ],
-                         [0.47,  0.48,  0.57]])
-    assert_array_equal(result, expected)
 
 
 if __name__ == '__main__':