Ok figured this out and it was pretty obvious I guess. Deluge 1.3.15 runs on python 2, deluge 2 runs on python 3. My default python was set to python 3 so I used update-alternatives to change it back to 2.7, it started right up.

Now to try and get deluge 2 installed.

Hello, I used to have deluged running on Raspbian Jessie which I had built and installed from source (because when I did it there was no ppa and the apt version was too old). Recently I upgraded to buster but it apparently broke deluged. I spent some time trying to build deluge 2.0.3 but I ran into ...