1 files changed, 7 insertions, 4 deletions
diff --git a/tests/proxy_model_inheritance/tests.py b/tests/proxy_model_inheritance/tests.py
index 9fb5f4e924..06756f7869 100644
--- a/tests/proxy_model_inheritance/tests.py
+++ b/tests/proxy_model_inheritance/tests.py
@@ -5,7 +5,9 @@ from django.test import TestCase, TransactionTestCase
 from django.test.utils import extend_sys_path
 
 from .models import (
-    ConcreteModel, ConcreteModelSubclass, ConcreteModelSubclassProxy,
+    ConcreteModel,
+    ConcreteModelSubclass,
+    ConcreteModelSubclassProxy,
     ProxyModel,
 )
 
@@ -16,20 +18,21 @@ class ProxyModelInheritanceTests(TransactionTestCase):
     for the proxied model (as described in #12286).  This test creates two dummy
     apps and calls migrate, then verifies that the table has been created.
     """
+
     available_apps = []
 
     def test_table_exists(self):
         with extend_sys_path(os.path.dirname(os.path.abspath(__file__))):
-            with self.modify_settings(INSTALLED_APPS={'append': ['app1', 'app2']}):
-                call_command('migrate', verbosity=0, run_syncdb=True)
+            with self.modify_settings(INSTALLED_APPS={"append": ["app1", "app2"]}):
+                call_command("migrate", verbosity=0, run_syncdb=True)
                 from app1.models import ProxyModel
                 from app2.models import NiceModel
+
                 self.assertEqual(NiceModel.objects.all().count(), 0)
                 self.assertEqual(ProxyModel.objects.all().count(), 0)
 
 
 class MultiTableInheritanceProxyTest(TestCase):
-
     def test_model_subclass_proxy(self):
         """
         Deleting an instance of a model proxying a multi-table inherited