declarative_base
tmp = session.query(Opt).all()
session.add(Opt(key='a', value='b'))
session.commit()
File /usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1-
py3.2.egg/sqlalchemy/orm/session.py, line 617, in commit
self.transaction.commit()
File
Can I ask that you put a little more effort into providing context / mappings /
specifics for this stack trace (see guidelines at
http://www.sqlalchemy.org/support.html#mailinglist ) ? Clearly If I make a
sample Opt() class with two fields and commit it, no such error occurs. There
is some