I updated my system (Ubuntu 18.04) from Python 3.6 to Python 3.8, and reset the defaults so that python3 now points to Python 3.8 (and not 3.6). However, since then, the terminal has refused to open using Ctrl + Alt + T, and other obvious methods such as clicking on the icon itself.
When I run gnome-terminal - I get the following:
usernew@HP:/usr/lib/python3/dist-packages/gi$ gnome-terminal
Traceback (most recent call last):
File "/usr/bin/gnome-terminal", line 9, in <module>
from gi.repository import GLib, Gio …