Traceback (most recent call last):
  File "run.py", line 44, in <module>
    import service.prefetch
  File "~/pyfa/service/__init__.py", line 1, in <module>
    from service.market import Market
  File "~/pyfa/service/market.py", line 20, in <module>
    import eos.db
  File "~/pyfa/eos/db/__init__.py", line 37, in <module>
    gamedata_session = sessionmaker(bind=gamedata_engine, autoflush=False, expire_on_commit=False)()
  File "/var/lib/python-support/python2.5/sqlalchemy/orm/session.py", line 74, in __init__
    super(Sess, self).__init__(**local_kwargs)
TypeError: __init__() got an unexpected keyword argument 'expire_on_commit'