Login loop when working behind proxy

[AlexShemeshWix]

Hi
Ive implemented small service that uses Flask-Dance for google auth.
It works locally. But when i deploy it to my company datacenter, and try to login it redirects me to the google profile selection infinitely.
The only custom thing that differs from your tutorial is addition of Proxy fix because datacenter is behind proxy.

app.wsgi_app = ProxyFix(app.wsgi_app, x_for=1, x_host=1)

How can i debug this situation?
Thanks

[janpeterka]

Having the same issue here.