diff --git a/tests/regressiontests/i18n/commands/compilation.py b/tests/regressiontests/i18n/commands/compilation.py
index 856c9bb687..c6ab77941b 100644
--- a/tests/regressiontests/i18n/commands/compilation.py
+++ b/tests/regressiontests/i18n/commands/compilation.py
@@ -3,11 +3,12 @@ import os
 from django.core.management import call_command, CommandError
 from django.test import TestCase
 from django.test.utils import override_settings
-from django.utils import translation
+from django.utils import translation, six
 from django.utils.six import StringIO
 
 test_dir = os.path.abspath(os.path.dirname(__file__))
 
+
 class MessageCompilationTests(TestCase):
 
     def setUp(self):
@@ -19,8 +20,8 @@ class MessageCompilationTests(TestCase):
 
 class PoFileTests(MessageCompilationTests):
 
-    LOCALE='es_AR'
-    MO_FILE='locale/%s/LC_MESSAGES/django.mo' % LOCALE
+    LOCALE = 'es_AR'
+    MO_FILE = 'locale/%s/LC_MESSAGES/django.mo' % LOCALE
 
     def test_bom_rejection(self):
         os.chdir(test_dir)