def _read_data(self):
        raise Exception(
            'Abstract method _read_data called in LayerFile.  This method needs to be overridden.')
Deletes the specified l2_policy.
dataset/ETHPy150Open modflowpy/flopy/flopy/utils/datafile.py/LayerFile._read_data--crossover with--dataset/ETHPy150Open openstack/python-group-based-policy-client/gbpclient/v2_0/client.py/Client.delete_l2_policy