

def __call__(self, state, inst, state_dict):
    state.manager = manager = manager_of_class(self.class_)
    if (manager is None):
        raise exc.UnmappedInstanceError(inst, ('Cannot deserialize object of type %r - no mapper() has been configured for this class within the current Python process!' % self.class_))
    elif (manager.is_mapped and (not self.mapper.configured)):
        manager.mapper._configure_all()
    if (inst is not None):
        manager.setup_instance(inst, state)
    manager.dispatch.unpickle(state, state_dict)

dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py _SerializeManager.__call__/VarMisuse@63/119 `manager`->`self`