1 files changed, 3 insertions, 6 deletions
diff --git a/tests/app_loading/not_installed/models.py b/tests/app_loading/not_installed/models.py
index 44a9d93c98..8a881a9996 100644
--- a/tests/app_loading/not_installed/models.py
+++ b/tests/app_loading/not_installed/models.py
@@ -2,22 +2,19 @@ from django.db import models
 
 
 class NotInstalledModel(models.Model):
-
     class Meta:
-        app_label = 'not_installed'
+        app_label = "not_installed"
 
 
 class RelatedModel(models.Model):
-
     class Meta:
-        app_label = 'not_installed'
+        app_label = "not_installed"
 
     not_installed = models.ForeignKey(NotInstalledModel, models.CASCADE)
 
 
 class M2MRelatedModel(models.Model):
-
     class Meta:
-        app_label = 'not_installed'
+        app_label = "not_installed"
 
     not_installed = models.ManyToManyField(NotInstalledModel)