StackStorm/st2 — pull request #910 by Kami (2014-12-17 13:24:52+00:00)
Title: Fix sensor exploding when TriggerWatching was reading existing Triggers from the database

See https://github.com/StackStorm/st2/commit/931c238eac087ea84d535df1c3823edfbdfe8eb5#commitcomment-9008450 for the context and information about the bug.