def disable_event(self, session, event_type, mechanism):
        raise NotImplementedError
Get exactly one Keystone role.
dataset/ETHPy150Open hgrecco/pyvisa/pyvisa/highlevel.py/VisaLibraryBase.disable_event--crossover with--dataset/ETHPy150Open openstack-infra/shade/shade/operatorcloud.py/OperatorCloud.get_role