How to name Exceptions that aren't Errors

[Max]

Leo Breebaart wrote:
> I've recently become rather fond of using Exceptions in Python to
> signal special conditions that aren't errors, but which I feel
> are better communicated up the call stack via the exception
> mechanism than via e.g. return values.
> 

Ummm... yeah, I quite agree.

LOOK EVERYONE, it's Leo Breebart. This guys famous in the alternative 
universe of alt.fan.pratchett.

You are the same Leo Breebart, right?

Well done, APF9 is excellent. But what did we expect.

--Max