Duct upstream components returning an unexpected 'Null'

Hi all,

Any ideas on why im getting a null value in the ‘Duct upstream components’ node from MEPover?

It worked fine for me when i used it in Revit 2021, But when i recreates my script in Revit 2023 it give me nulls

Any help appreciated

Hi @johnbim do you have dynamoironpython 2.7 package installed ?

I didnt, but i do now and it looks like its working now!!!

Thanks so much