diff --git a/wagtail/users/apps.py b/wagtail/users/apps.py
index 4acb226fe7..e74599592b 100644
--- a/wagtail/users/apps.py
+++ b/wagtail/users/apps.py
@@ -1,6 +1,7 @@
 from django.apps import AppConfig
 from django.utils.translation import gettext_lazy as _
 
+
 class WagtailUsersAppConfig(AppConfig):
     name = 'wagtail.users'
     label = 'wagtailusers'