diff --git a/tests/test_relations.py b/tests/test_relations.py
index f11b08119..75a6991e7 100644
--- a/tests/test_relations.py
+++ b/tests/test_relations.py
@@ -304,7 +304,7 @@ class TestSlugRelatedField(APISimpleTestCase):
         self.queryset = MockQueryset([
             MockObject(pk=1, name='foo'),
             MockObject(pk=2, name='bar'),
-            MockObject(pk=3, name='baz'),
+            MockObject(pk=3, name='baz')
         ])
         self.instance = self.queryset.items[2]
         self.field = serializers.SlugRelatedField(
diff --git a/tests/utils.py b/tests/utils.py
index 639785951..4ceb35309 100644
--- a/tests/utils.py
+++ b/tests/utils.py
@@ -1,4 +1,5 @@
 from operator import attrgetter
+
 from django.core.exceptions import ObjectDoesNotExist
 from django.urls import NoReverseMatch