Looks like Raspbian is still on Python 3.4. Upgrading it now.
Should I just backup my config/scripts and do a “fresh” install somehow? Can I just re-run the All in One installer script?
Edit - Back up and running. Did a new installation using instructions here - https://community.home-assistant.io/t/python-3-6-upgrade-of-a-virtualenv/21722/87?u=qnology