Update authomatic/providers/oauth2.py
Update authomatic/providers/oauth2.py

Co-Authored-By: Jens W. Klein <68a658b44bbaefab3ef5cd231967195fc0ff9d69@kleinundpartner.at>
peterhudec/authomatic,authomatic/authomatic,authomatic/authomatic,peterhudec/authomatic,authomatic/authomatic,peterhudec/authomatic