[issue2291] Raise a Py3K warning for catching non-BaseException exceptions

[Brett Cannon]

Changes by Brett Cannon <brett at python.org>:


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priority:  -> immediate
title: Catching all exceptions with 'object' -> Raise a Py3K warning for catching non-BaseException exceptions

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Tracker <report at bugs.python.org>
<http://bugs.python.org/issue2291>
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