Help updating Python

Hello. For some reason, I have been having issues updating python on one of my computers. This is preventing me from using plugins. I continue getting this error

I was able to install py3 through the terminal, and at the end it said something about “upgrading pip” to its latest version. But then the command it suggest doesn’t work (–upgrade pip). It says command not found.

I have no idea what I am doing, just trying to be able to use Plugins.

I’m on a 2.9 GHz Quad-Core Intel Core i7 iOS using Glyphs 3.

There is a bug in pyobjc. You need to install an older version like this:

pip3 install pyobjc==8.4