pep8 fixes

graphene/contrib/django/__init__.py

@@ -10,4 +10,5 @@ from graphene.contrib.django.fields import (
 )
 
 __all__ = ['DjangoObjectType', 'DjangoNode', 'DjangoConnection',
-           'DjangoConnectionField', 'DjangoModelField']
+           'DjangoConnectionField', 'DjangoModelField',
+           'DjangoFilterConnectionField']

graphene/contrib/django/converter.py

@@ -11,6 +11,7 @@ except AttributeError:
     # Improved compatibility for Django 1.6
     class UUIDModelField(object):
         pass
+
     class UUIDFormField(object):
         pass
 
@@ -76,5 +77,3 @@ def convert_field_to_list_or_connection(field):
 def convert_field_to_djangomodel(field):
     from .fields import DjangoModelField
     return DjangoModelField(field.related_model, description=field.help_text)
-
-

graphene/contrib/django/fields.py

@@ -87,4 +87,3 @@ class DjangoFilterConnectionField(DjangoConnectionField):
         # Also add the 'order_by' field
         args[filterset_class.order_by_field] = Argument(String)
         return args
-