PEP new assert idiom

[Andrew Koenig]

"Fábio Mendes" <niels_bohr at uol.com.br> wrote in message 
news:mailman.6017.1099776962.5135.python-list at python.org...

> I'm sorry if it's an replicate. Either my e-mail program is messing with
> things or the python-list sent my msg to /dev/null. I couldn't find
> anything related in previous PEP's, so here it goes a very early draft
> for a new "assert" syntax:

Do you have a use case?  That is, can you give a plausible example that 
shows why your proposal would be useful and how it would work?