@property
    def converter(self):
        if self._converter is None:
            self.create_converter()
        
        return self._converter
make sure conversion to JSON works for default options
dataset/ETHPy150Open erickrf/nlpnet/nlpnet/reader.py/TaggerReader.converter--crossover with--dataset/ETHPy150Open unbracketed/python-flot-utils/pyflot/tests/__init__.py/TestFlot.test_empty_options_json