-# -*- coding: utf-8 -*-
# This file is part of Wolnelektury, licensed under GNU Affero GPLv3 or later.
# Copyright © Fundacja Nowoczesna Polska. See NOTICE for more information.
#
+from functools import reduce
import os.path
from urllib.parse import urljoin
from django.contrib.syndication.views import Feed
-from django.core.urlresolvers import reverse
from django.shortcuts import get_object_or_404
+from django.urls import reverse
from django.utils.feedgenerator import Atom1Feed
from django.conf import settings
from django.http import Http404