diff --git a/tests/i18n/tests.py b/tests/i18n/tests.py
index 8b9f83bf4a..9a20ba5d32 100644
--- a/tests/i18n/tests.py
+++ b/tests/i18n/tests.py
@@ -14,7 +14,9 @@ from unittest import skipUnless
 from django.conf import settings
 from django.template import Context, Template
 from django.template.base import TemplateSyntaxError
-from django.test import RequestFactory, TestCase, override_settings
+from django.test import (
+    RequestFactory, SimpleTestCase, TestCase, override_settings,
+)
 from django.utils import six, translation
 from django.utils._os import upath
 from django.utils.formats import (