Lists sort by 1.1., 1.2. , 2.,10., ...instead of 1., 10., 2.,

UPDATE

I’ve tried in a smaller file and it worked with a python Script that i’ve found here in the Forum (Sorting a list of numbers in a logical order - #2 by JacobSmall).

It works until i join that script to “List.SortByKey” then the sort changes again.