Merge pull request #26 from felixonmars/patch-1

Fix assertion method from assertEquals to assertEqual

Author: jelmer

extras/tests/test_extras.py

@@ -41,7 +41,7 @@ def cb(e):
             test.assertThat(result, Not(Is(None)))
         else:
             test.assertThat(result, Is(None))
-    test.assertEquals(len(cb_calls), expected_error_count)
+    test.assertEqual(len(cb_calls), expected_error_count)
 
 
 class TestTryImport(TestCase):