def validate(self, value):
        if not isinstance(value, dict):
            raise ValidationError({
                'properties': ['This field must be a JSON object.']
            })

        if '__stackdio__' in value:
            raise ValidationError({
                'properties': ['The `__stackdio__` key is reserved for system use.']
            })
dataset/ETHPy150Open stackdio/stackdio/stackdio/core/validators.py/PropertiesValidator.validate/original