Page not found (404)

Request Method: GET
Request URL: http://now-chita.ru/social-auth/login/twitter/?next=/biblioteka/da-na-voyne-poluchalos-i-tak-chto-tigry-pantery-boyalis-sobak/

Backend not found

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.