Merge pull request #1070 from berkerpeksag/items-equal

assertItemsEqual was renamed to assertCountEqual in Python 3.

tests/test_settings/__init__.py

@@ -30,6 +30,9 @@ class SettingsAttributeTest(unittest.TestCase):
 
 class SettingsTest(unittest.TestCase):
 
+    if six.PY3:
+        assertItemsEqual = unittest.TestCase.assertCountEqual
+
     def setUp(self):
         self.settings = Settings()