@abc.abstractmethod
    def __str__(self):

        pass
Get the hypervisor type for this cluster.
dataset/ETHPy150Open CiscoSystems/avos/openstack_dashboard/openstack/common/policy.py/BaseCheck.__str__--crossover with--dataset/ETHPy150Open ganeti/ganeti/lib/config/__init__.py/ConfigWriter.GetHypervisorType