[Spambayes] -U bug?

[Meyer, Tony]

> It's not over - I've just installed 1.0a4, but to find that 
> the bug got scarier:
> 
> $ hammie.py -d -s untrain -U
[...]
>     raise ValueError("spam count would go negative!")
> ValueError: spam count would go negative!
> zsh: 19888 exit 1     hammie.py -d -s untrain -U

This probably means that your db is hosed (this could be as a result of
the 1.0a2 untrain attempts).   If you retrain from scratch this probably
should go away (if it does come back, then be sure to report that, as
that's likely to be a bug).

=Tony Meyer