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 "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/session.py", line 293, in commit self._prepare_impl() File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/session.py", line 277, in _prepare_impl self.session.flush() File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/session.py", line 1473, in flush self._flush(objects) File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/session.py", line 1542, in _flush flush_context.execute() File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/unitofwork.py", line 327, in execute rec.execute(self) File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/unitofwork.py", line 471, in execute uow File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/mapper.py", line 1870, in _save_obj for state in _sort_states(states): File "/usr/local/lib/python3.2/dist-packages/SQLAlchemy-0.7.1- py3.2.egg/sqlalchemy/orm/mapper.py", line 2808, in _sort_states return sorted(states, key=operator.attrgetter('sort_key')) TypeError: unorderable types: str() < int()
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