Page not found (404)

Request Method: GET
Request URL: http://praktika-rus.ru/product/golovka-tortsevaya-praktika-profi-magnitnaya-13-h-65-mm-s-hvostovikom-hex-14-1sht-blister/
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.