def get_default(self):
        if self.has_default():
            if callable(self.default):
                return self.default()
            return copy.deepcopy(self.default)
        # If the field doesn't have a default, then we punt to models.Field.
        return super(JSONFieldBase, self).get_default()
Sets the null conversion mode.
dataset/ETHPy150Open bradjasper/django-jsonfield/jsonfield/fields.py/JSONFieldBase.get_default--crossover with--dataset/ETHPy150Open rwl/muntjac/muntjac/ui/abstract_text_field.py/AbstractTextField.setNullSettingAllowed