Page not found (404)

Request Method: GET
Request URL: http://praktika-rus.ru/product/udlinitel-praktika-magnitnyij-derzhatel-60mm-dlya-bit-14-sostavnoj-25sht-korobka/
Raised by: apps.catalog.views.product

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.