Correct way to unlazify a SimpleLazyObject?

[Hanne Moa]

I recently got burned by r11626, which added SimpleLazyObject to
1.1.x. I have a templatetag that linkifies a user-object, and it
checks whether it is given a django.contrib.auth.models.User, an int
(looks up a User) or a profile (looks up the User). This check was
done with type(). Unfortunately, type(SimpleLazyObject) !=
type(User()), so I had a "fun" TemplateSyntaxError in my hands.

However, the TemplateSyntaxError never happened if there was an
instance of {{ user }} before the {% prettylinktouser user %} in the
template, thus it seems to me that just outputting a SimpleLazyObject
somehow unlazifies it. So, how can a SimpleLazyObject be unlazified
everywhere else?

HM