Merge pull request #1589 from the5fire/fix-pep8

fix pep8

rest_framework/serializers.py

@@ -33,8 +33,8 @@ from rest_framework.settings import api_settings
 # This helps keep the separation between model fields, form fields, and
 # serializer fields more explicit.
 
-from rest_framework.relations import *
-from rest_framework.fields import *
+from rest_framework.relations import *  # NOQA
+from rest_framework.fields import *  # NOQA
 
 
 def _resolve_model(obj):