Comment 1 for bug 502796

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Brian Granger (ellisonbg) wrote :

* Fixed the unhandled :class:`DeadReferenceError`` exception that was happening
  in :mod:`IPython.kernel.multiengineclient' and :mod:`IPython.kernel.taskclient`
  when the controller died or restarted. Now we capture that error
  and raises a :class:`IPython.kernel.error.ConnectionError` that has a
  better error message.