def values(self):
        arr = self.view(np.ndarray).copy()
        return arr
get a struct defining a host group
dataset/ETHPy150Open pydata/pandas/pandas/core/base.py/FrozenNDArray.values--crossover with--dataset/ETHPy150Open marineam/nagcat/python/nagcat/nagios_api.py/NagiosXMLRPC.xmlrpc_getHostGroup