ipython/ipython — pull request #1608 by minrk (2012-04-15 18:58:12+00:00)
Title: don't rely on timedelta.total_seconds in AsyncResult

which is new in 2.7

Could result in weird errors, because the result was
an AttributeError (on timedelta) raised in a property, which triggered
the `__getattr__()` path, which would also fail.