Python-сообщество

from django.core.exceptions import ObjectDoesNotExist
from django.contrib.syndication.feeds import Feed
from freeparse.web.models import *

class LatestUserProjects(Feed):
    def get_object(self, user):
        if len(user) != 1:
            raise ObjectDoesNotExist
        return UsersCategory.objects.get(user__username=user[0])
    
    def title(self, obj):
        return "Лента %s" % obj.user
    
    def link(self, obj):
        return obj.get_absolute_url()
    
    def description(selfself, obj):
        return "Лента тематических проектов %s" % obj.user
    
    def items(self, obj):
        ids = [cathegory.id for cathegory in obj.categories.all()]
        project_list = Project.objects.filter(category__id__in=ids).order_by("-pub_date")[:50]
        return project_list

Traceback:
File "C:\Python26\lib\site-packages\django\core\handlers\base.py" in get_response
  92.                 response = callback(request, *callback_args, **callback_kwargs)
File "C:\Python26\lib\site-packages\django\contrib\syndication\views.py" in feed
  19.         feedgen = f(slug, request).get_feed(param)
File "C:\Python26\lib\site-packages\django\contrib\syndication\feeds.py" in get_feed
  100.         link = self.__get_dynamic_attr('link', obj)
File "C:\Python26\lib\site-packages\django\contrib\syndication\feeds.py" in __get_dynamic_attr
  58.                 return attr(obj)
File "C:\Documents and Settings\Mutagena\workspace\freeparse\..\freeparse\feeds.py" in link
  16.         return obj.get_absolute_url()

Exception Type: AttributeError at /feeds/user/admin/
Exception Value: 'UsersCategory' object has no attribute 'get_absolute_url'

def link(self, obj):
     return obj.get_absolute_url()