@classmethod
def reverse_trials(cls, limit, session=None):
    'Return a generator with <limit> trials ordered by start time desc'
    session = (session or relational.session)
    return proxy_gen(session.query(cls.m).order_by(cls.m.start.desc()).limit(limit))
Return a generator with <limit> trials ordered by start time desc
@classmethod
def reverse_trials(cls, limit, session=None):
    
    session = (session or relational.session)
    return proxy_gen(session.query(cls.m).order_by(cls.m.start.desc()).limit(limit))