There is a theory which states that if ever anyone discovers exactly what the Universe is for and why it is here, it will instantly disappear and be replaced by something even more bizarre and inexplicable.
There is another theory which states that this has already happened.
In Debian testing:
/usr/lib/python2.6/dist-packages/sqlalchemy/types.py:547: SADeprecationWarning: The Binary type has been renamed to LargeBinary.
In Debian Lenny:
ImportError: cannot import name LargeBinary
I was starting to think that SQLAlchemy wasn't too bad, since I've been using it for 6 months and I haven't seen its API change yet.
But there it is, a beautiful reminder that SQLAlchemy, too, is part of the marvelously autistic Python ecosystem.