def values(self):
            return list(self)
list unmounted (failed?) devices
dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/engine/result.py/BaseRowProxy.values--crossover with--dataset/ETHPy150Open openstack/swift/swift/common/middleware/recon.py/ReconMiddleware.get_unmounted