removed array cast, added not equals test

skimage/measure/_regionprops.py

@@ -333,13 +333,11 @@ class _RegionProperties(MutableMapping):
         if not isinstance(other, _RegionProperties):
             return False
 
-        attr1 = np.array([getattr(self, k, None)for k in PROP_VALS])
-        attr2 = np.array([getattr(other, k, None)for k in PROP_VALS])
-
-        for x, y in zip(attr1, attr2):
+        for key in PROP_VALS:
             try:
                 #so that NaNs are equal
-                np.testing.assert_equal(x, y)
+                np.testing.assert_equal(
+                    getattr(self, key, None), getattr(other, key, None))
             except AssertionError:
                 return False
 

skimage/measure/tests/test_regionprops.py

@@ -372,9 +372,20 @@ def test_invalid():
 
 
 def test_equals():
-    r1 = regionprops(SAMPLE)[0]
-    r2 = regionprops(SAMPLE)[0]
+    arr = np.zeros((100, 100), dtype=np.int)
+    arr[0:25, 0:25] = 1
+    arr[50:99, 50:99] = 2
+
+    regions = regionprops(arr)
+    r1 = regions[0]
+
+    regions = regionprops(arr)
+    r2 = regions[0]
+    r3 = regions[1]
+
     assert r1 == r2
+    assert r1 != r3
+
 
 if __name__ == "__main__":
     from numpy.testing import run_module_suite