Page not found (404)

Request Method: GET
Request URL: http://russkurs.ru/post/RASPLATA-ILI-SINITSA-V-KLETKE/
Raised by: blog.views.post_detail

No Post matches the given query.

You're seeing this error because you have DEBUG = True in your Django settings file. Change that to False, and Django will display a standard 404 page.