def display_number(self):
        m = _numre.match(self.number)
        if m:
            sub = m.group(2)
            return "&nbsp;&nbsp;&nbsp;" + sub
        return self.number
Ensures that we've loaded at least one JSON backend.
dataset/ETHPy150Open seantis/seantis-questionnaire/questionnaire/models.py/Question.display_number--crossover with--dataset/ETHPy150Open jsonpickle/jsonpickle/jsonpickle/backend.py/JSONBackend._verify