[pydotorg-www] suggest edit

[Mats Wichmann]

On 9/14/20 5:32 AM, Joost-Jan van Klaveren via pydotorg-www wrote:
> Wiki account: me
> 
> An edit was made in error:
> https://wiki.python.org/moin/HandlingExceptions?action=diff&rev1=30&rev2=31
> 
> I wish to revert it as it renders the given example useless, the "typo" is by intent.

I've applied that change, since several other edits have happened since
then it wouldn't have been useful to just let MoinMoin revert to that
version.