We are working on Nuancier . One of the current dependencies is
python-fedora ,which should contain flask_fas_openid. It seems that
flask_fas_openid will remain in Python 2 and not be ported to Python 3.
Will using Flask-OIDC  allow for full Python 3 compatibility?
 - https://fedoraproject.org/wiki/Infrastructure_2020/Friday_with_Infra
 - https://github.com/fedora-infra/python-fedora/
 - https://github.com/puiterwijk/flask-oidc