diff --git a/rest_framework/tests/fields.py b/rest_framework/tests/fields.py
index d82f6b235..109fd01f7 100644
--- a/rest_framework/tests/fields.py
+++ b/rest_framework/tests/fields.py
@@ -808,4 +808,5 @@ class URLFieldTests(TestCase):
 
         serializer = URLFieldSerializer(data={})
         self.assertEqual(serializer.is_valid(), True)
-        self.assertEqual(getattr(serializer.fields['url_field'], 'max_length'), 20)
\ No newline at end of file
+        self.assertEqual(getattr(serializer.fields['url_field'], 'max_length'), 20
+                         
\ No newline at end of file