def __get__(self, oself, type=None):
        if oself is None:
            return self
        return getattr(oself.underlying, self.name)
Get data using npz. Returns a hdf5 file
dataset/ETHPy150Open twisted/nevow/nevow/compression.py/_ProxyDescriptor.__get__--crossover with--dataset/ETHPy150Open neurodata/ndstore/test/postmethods.py/getHDF5