[Python-Dev] Inconsistent exception for read-only properties?

Barry Warsaw barry at python.org
Sun Apr 17 21:09:41 CEST 2005

On Sun, 2005-04-17 at 12:25, Aahz wrote:

> Why is changing an exception more acceptable than creating a new one?
> (I don't have a strong opinion either way, but I'd like some reasoning;
> Jack's approach at least doesn't break code.)  Especially if the new
> exception isn't "public" (in the builtins with other exceptions).

Adding an exception that we have to live with forever (even if it's
localized to this one module) seems like it would fall under the new
feature rubric, whereas I think the choice of exception was just a bug. 

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