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

Backport of 0ed7d155635da9f79d4dd67e4889087d3673c6da from master

3 files changed, 5 insertions, 3 deletions

diff --git a/tests/model_options/models/tablespaces.py b/tests/model_options/models/tablespaces.py
index 56e22e973a..7328a3df6e 100644
--- a/tests/model_options/models/tablespaces.py
+++ b/tests/model_options/models/tablespaces.py
@@ -1,5 +1,6 @@
 from django.db import models
 
+
 # Since the test database doesn't have tablespaces, it's impossible for Django
 # to create the tables for models where db_tablespace is set. To avoid this
 # problem, we mark the models as unmanaged, and temporarily revert them to
diff --git a/tests/model_options/test_default_related_name.py b/tests/model_options/test_default_related_name.py
index 6cdffe5cf9..a30de192cb 100644
--- a/tests/model_options/test_default_related_name.py
+++ b/tests/model_options/test_default_related_name.py
@@ -1,6 +1,6 @@
 from django.test import TestCase
 
-from .models.default_related_name import Author, Editor, Book
+from .models.default_related_name import Author, Book, Editor
 
 
 class DefaultRelatedNameTests(TestCase):
diff --git a/tests/model_options/test_tablespaces.py b/tests/model_options/test_tablespaces.py
index 515cd8a032..e8372e1bc7 100644
--- a/tests/model_options/test_tablespaces.py
+++ b/tests/model_options/test_tablespaces.py
@@ -5,8 +5,9 @@ from django.conf import settings
 from django.db import connection
 from django.test import TestCase, skipIfDBFeature, skipUnlessDBFeature
 
-from .models.tablespaces import (Article, ArticleRef, Authors, Reviewers,
-    Scientist, ScientistRef)
+from .models.tablespaces import (
+    Article, ArticleRef, Authors, Reviewers, Scientist, ScientistRef,
+)
 
 
 def sql_for_table(model):