Добавлен класс DescriptionMixin

net/xeaf/rack/models/mixins/__init__.py

@@ -10,6 +10,7 @@
 
 from .created_at_mixin import CreatedAtMixin
 from .deleted_at_mixin import DeletedAtMixin
+from .description_mixin import DescriptionMixin
 from .expired_at_mixin import ExpiresAtMixin
 from .slug_mixin import SlugMixin
 from .updated_at_mixin import UpdatedAtMixin