def _checkForTrailingComma(self):
        if self._payload.getvalue()[-1] != ",":
            raise NetstringParseError(self._MISSING_COMMA)
Add a model by passing parameters through to MNLDiscreteChoiceModel.
dataset/ETHPy150Open kuri65536/python-for-android/python-modules/twisted/twisted/protocols/basic.py/NetstringReceiver._checkForTrailingComma--crossover with--dataset/ETHPy150Open UDST/urbansim/urbansim/models/dcm.py/MNLDiscreteChoiceModelGroup.add_model_from_params