def value_to_string(self, obj):
        return smart_text(self.get_prep_value(self._get_val_from_obj(obj)))
Returns True if the current OS is OS X, False if not.
dataset/ETHPy150Open pennersr/django-allauth/allauth/socialaccount/fields.py/JSONField.value_to_string--crossover with--dataset/ETHPy150Open google/simian/src/simian/mac/munki/pkgs.py/MunkiPackageInfo.IsOSX