Page not found (404)

Request Method: GET
Request URL: http://xn---35-5cdpg4dkat9f.xn--p1ai/komnaty/2018-02-02-18-04-38-346557/
Raised by: catalog.views.get_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.