Fix syntax

login/app.py

@@ -551,7 +551,7 @@ def consent():
             role = role_obj.role
 
     # Get claims for this user, provided the current app
-    claims = user.get_claims(app_name, none, role)
+    claims = user.get_claims(app_name, None, role)
 
     # pylint: disable=fixme
     # TODO: Need to implement checking claims here, once the backend for that is