expose __data_config variable
Sometimes we want to access this variable (NZV and Rijnland do, anyway) and the only way to get at it is self._PIMixin__data_config
. This is not so nice.
Sometimes we want to access this variable (NZV and Rijnland do, anyway) and the only way to get at it is self._PIMixin__data_config
. This is not so nice.