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Author ncoghlan
Recipients Arfrever, benjamin.peterson, ncoghlan, pitrou
Date 2012-02-26.21:18:47
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Because you're breaking the semantics of the "raise X from Y" syntax.

That syntax is *just* syntactic sugar for "_exc = X; _exc.__cause__ = Y; raise _exc".

Under PEP 409, that remains true.

Your patch breaks it.

If you want to change the meaning for "raise X from Y", write a new PEP.
Date User Action Args
2012-02-26 21:18:48ncoghlansetrecipients: + ncoghlan, pitrou, benjamin.peterson, Arfrever
2012-02-26 21:18:48ncoghlansetmessageid: <>
2012-02-26 21:18:47ncoghlanlinkissue14133 messages
2012-02-26 21:18:47ncoghlancreate