fix NameError
diff --git a/plstackapi/planetstack/views/roles.py b/plstackapi/planetstack/views/roles.py
index cf0f5e9..3222f5e 100644
--- a/plstackapi/planetstack/views/roles.py
+++ b/plstackapi/planetstack/views/roles.py
@@ -24,7 +24,7 @@
         else:
             roles = get_roles(data['auth'])
             serializer = RoleSerializer(roles, many=True)
-            return Response(Serializer.data)
+            return Response(serializer.data)