macOS setting python version 3 causes abort

Coreform Cubit Feature Requests and Fixes
#1

On MacOS 10.14.6 (Mojave), setting the Python interpreter to 3 in general preferences causes the software to abort on restart. I have to clear out preferences by removing ~/.config/Coreform

#2

Thanks for bringing this to our attention @js34654! We’ll take a look at this right away!