[sugar] Possible presence service bug

[Ian Bicking]

Marco Pesenti Gritti wrote:
>    raise ValueError("address must be a unicode string.")
> ValueError: address must be a unicode string.

In cases like these, I always raise the exception like:

if not isinstance(address, unicode):
     raise ValueError("address must be a unicode string, not %r" % address)

This tends to make tracebacks much more useful.

-- 
Ian Bicking | ianb at colorstudy.com | http://blog.ianbicking.org