[issue13188] generator.throw() ignores __traceback__ of exception

[Andreas Stührk]

Andreas Stührk <andy-python at hammerhartes.de> added the comment:

It leaks because `PyException_GetTraceback()` already returns a new reference, hence the "Py_XINCREF(tb)" is wrong.

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nosy: +Trundle

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue13188>
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