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Fri Oct 28 22:32:40 CEST 2005 · https://mail.python.org/pipermail/python-dev/2005-October/057752.html

On 10/28/05, Raymond Hettinger <raymond.hettinger at verizon.net> wrote:
> I don't follow why the PEP deprecates catching a category of exceptions
> in a different release than it deprecates raising them.  Why would a
> release allow catching something that cannot be raised?  I must be
> missing something here.

Presumably because they CAN still be raised; attempting to do so
provokes a warning, not an error.

It also facilitates upgrading from old versions of Python.  You can
work to eliminate cases where the exceptions are raised while still
handling them if they do get raised.

--
Adam Olsen, aka Rhamphoryncus

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[Python-Dev] PEP 352 Transition Plan