[1.8.x] Sorted imports with isort; refs #23860.

Backport of 0ed7d155635da9f79d4dd67e4889087d3673c6da from master

1 files changed, 2 insertions, 2 deletions

diff --git a/tests/model_validation/tests.py b/tests/model_validation/tests.py
index 50ccfd2de6..677e21b37a 100644
--- a/tests/model_validation/tests.py
+++ b/tests/model_validation/tests.py
@@ -1,9 +1,9 @@
 from django.core import management
-from django.core.checks import run_checks, Error
+from django.core.checks import Error, run_checks
 from django.db.models.signals import post_init
 from django.test import TestCase
-from django.utils import six
 from django.test.utils import override_settings
+from django.utils import six
 
 
 class OnPostInit(object):