error accessing data

[kaykay]

Error:
Class 'CRUD' has no 'objects' member [E1101]

class CRUDList(ListView):
    model = CRUD

    def get_queryset(self):
        result = super(CRUDList, self).get_queryset()
        category = self.request.GET.get('category')
        if category:
            if self.request.GET:
                if self.request.GET.get('asc'):
                    [color=#D35400]result = CRUD.objects.order_by(category)[/color]
                elif self.request.GET.get('desc'):
                   [color=#D35400][/color]result = CRUD.objects.order_by('-'+category)[/color]

        return result