[1.8.x] Fixed mistake in Model.from_db() example.
[1.8.x] Fixed mistake in Model.from_db() example.

Backport of fd869cceacafdaf2c5865cc525f88357b6a26aad from master

h4r5h1t/django-hauthy,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy,h4r5h1t/django-hauthy