[issue14474] mishandling of AttributeError in threads

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

If Dummy is a new-style class, the traceback is correctly printed.

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nosy: +amaury.forgeotdarc

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue14474>
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