[issue20980] In multiprocessing.pool, ExceptionWithTraceback should derive from Exception

[Richard Oudkerk]

Richard Oudkerk added the comment:

We should only wrap the exception with ExceptionWithTraceback in the process case where it will be pickled and then unpickled.

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assignee:  -> sbt

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue20980>
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