diff --git a/tests/schema/fields.py b/tests/schema/fields.py
index 30357b1061..5f2b6ba19c 100644
--- a/tests/schema/fields.py
+++ b/tests/schema/fields.py
@@ -1,8 +1,7 @@
 from django.db import models
 from django.db.models.fields.related import (
-    RECURSIVE_RELATIONSHIP_CONSTANT, ManyToManyDescriptor,
-    ManyToManyField, ManyToManyRel, RelatedField,
-    create_many_to_many_intermediary_model,
+    RECURSIVE_RELATIONSHIP_CONSTANT, ManyToManyDescriptor, ManyToManyField,
+    ManyToManyRel, RelatedField, create_many_to_many_intermediary_model,
 )
 from django.utils.functional import curry