

def unregister(self, class_):
    manager = manager_of_class(class_)
    manager.unregister()
    manager.dispose()
    self.dispatch.class_uninstrument(class_)
    if (ClassManager.MANAGER_ATTR in class_.__dict__):
        delattr(class_, ClassManager.MANAGER_ATTR)

dataset/ETHPy150Open RoseOu/flasky/venv/lib/python2.7/site-packages/sqlalchemy/orm/instrumentation.py InstrumentationFactory.unregister/original