From what I've gather, USCIS have updated their case tracking site so the scripts that were working up until now no longer work.
I have modified the scripts I got (specifically the case_process.py) so that it works with the new tracking form that they are using, I'm happy to provide that file however I have made edits to the script prior to now as well.
These last changes are by far the largest and I did have to add a few additional things so would need to check what extra installs might be required if you did want to use them.