diff --git a/tests/i18n/tests.py b/tests/i18n/tests.py
index 1d34f90784..9501849e09 100644
--- a/tests/i18n/tests.py
+++ b/tests/i18n/tests.py
@@ -43,6 +43,7 @@ extended_locale_paths = settings.LOCALE_PATHS + (
     os.path.join(here, 'other', 'locale'),
 )
 
+
 @contextmanager
 def patch_formats(lang, **settings):
     from django.utils.formats import _format_cache