+# This file is part of Librarian, licensed under GNU Affero GPLv3 or later.
+# Copyright © Fundacja Wolne Lektury. See NOTICE for more information.
+#
from .base import MetaValue
class ThemaCategory(NameIdentifier):
pass
+class MainThemaCategory(ThemaCategory):
+ pass
+
class Epoch(NameIdentifier):
pass