I tried to send the following mail to Alan Reider, but the mail could
not be delivered. So I try through the mailing list.

Hi Alan,

it looks like your MySQL package depends on a very old version of the
Cryptography package. This makes it impossible to use MySQL together
with the latest version of Seaside. Seaside 2.9 depends on the latest
version of the Cryptography package.

I wonder if you could update MySQL and the package on Package Universe
to avoid that problem? Please see the discussion on the Seaside Bug
Tracker <http://code.google.com/p/seaside/issues/detail?id=270> for a
detailled report on the problem.

Cheers,
Lukas

-- 
Lukas Renggli
http://www.lukas-renggli.ch