Pylons/Kotti — pull request #56 by j23d (2012-04-25 08:39:01+00:00)
Title: Added (back) event that will delete orphaned tags.

The mapper event after_delete seems to work. I was confused by the warning in the documentation (http://docs.sqlalchemy.org/en/latest/orm/events.html#sqlalchemy.orm.events.MapperEvents.after_delete).