get_absolute_url returns an empty string/object has no attribute

http://pastebin.com/H7n1Juv0

http://pastebin.com/hJvcAdBG # full model, if needed..

How can I fi开发者_如何学编程x this ?

Your get_absolute_url method must be present directly in your Model class (is nested a level deeper than necessary, thus being part of your save method).