diff --git a/graphene_django/fields.py b/graphene_django/fields.py
index ea07298..9b27f70 100644
--- a/graphene_django/fields.py
+++ b/graphene_django/fields.py
@@ -66,7 +66,7 @@ class DjangoConnectionField(ConnectionField):
             return getattr(self.model, self.on)
         else:
             return self.model._default_manager
-    
+
     @classmethod
     def resolve_queryset(cls, connection, queryset, info, args):
         return connection._meta.node.get_queryset(queryset, info)
diff --git a/graphene_django/types.py b/graphene_django/types.py
index 8e35608..1bfa2b2 100644
--- a/graphene_django/types.py
+++ b/graphene_django/types.py
@@ -126,7 +126,7 @@ class DjangoObjectType(ObjectType):
 
         model = root._meta.model._meta.concrete_model
         return model == cls._meta.model
-    
+
     @classmethod
     def get_queryset(cls, queryset, info):
         return queryset