def setLazyLoading(self, useLazyLoading):
        if useLazyLoading:
            raise NotImplementedError, \
                    'Lazy options loading is not supported by Tree.'
Check quotas and reserve resources.
dataset/ETHPy150Open rwl/muntjac/muntjac/ui/tree.py/Tree.setLazyLoading--crossover with--dataset/ETHPy150Open openstack/nova/nova/quota.py/NoopQuotaDriver.reserve