id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
31619	Incorrect error message get_object_or_404 if queryset have error	dicos	nobody	"{{{
from django.db import models


class Article(models.Model):
    title = models.CharField(_(u'title'), max_length=255)
    slug = models.SlugField(unique=True)

    
class ArticleItem(models.Model):
    article = models.ForeignKey(Article, on_delete=models.CASCADE)
    text = models.TextField(_(u'text'), blank=True)


from django.shortcuts import get_object_or_404

qs = Article.objects.prefetch_related('qwe')
get_object_or_404(qs), slug=slug)
ValueError: First argument to get_object_or_404() must be a Model, Manager, or QuerySet, not 'QuerySet'.

}}}"	Bug	closed	Uncategorized	3.0	Normal	invalid			Unreviewed	0	0	0	0	0	0