@rbac('owner')
    def single_role(self):
        return None
Create an Atom from a NumPy dtype.
dataset/ETHPy150Open OpenMDAO/OpenMDAO-Framework/openmdao.main/src/openmdao/main/test/test_rbac.py/Object.single_role--crossover with--dataset/ETHPy150Open PyTables/PyTables/tables/atom.py/Atom.from_dtype