How to get Gunicorn to use Python 3 instead of Python 2 (502 Bad Gateway)

It seems that there’s a package for this called gunicorn3 (this was tested on ubuntu)

sudo apt-get install gunicorn3

then running the following command should work and run gunicorn with python3:

gunicorn3 --log-level debug --bind 0.0.0.0:30443 server:app