--- /dev/null
+# -*- 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 catalogue.models.tag import Tag
+from catalogue.models.bookmedia import BookMedia
+from catalogue.models.fragment import Fragment
+from catalogue.models.book import Book
+from catalogue.models.collection import Collection
+from catalogue.models.source import Source