pculture/miro — pull request #106 by geoffl (2011-11-29 14:16:47+00:00)
Title: bz18517: Don't failed_soft() if we the thread was already gone.

We could lose the race by the time we come here and as a result
self.thread is already None. If it is then it is harmless and so
just return.

I think this basically should do the trick with minimal invasive changes.