Message 141872 - Python tracker

I see two different things here:

1) the fact that getlocale() doesn't return (None, None) on some python 
versions
2) the fact that having it returning (None, None) by default is a bit 
misleading as users may think that getlocale() is tied to environment 
variables. That's what was at the origin of #12699

My last remark is about the second bit. Maybe should I start a new issue 
for this?