def _deserialize_value(self, value):
        if value is None or isinstance(value, datetime.date):
            return value
        # needed for #111
        elif not isinstance(value, six.string_types):
            return value
        else:
            return self.deserializer(value)
dataset/ETHPy150Open djangonauts/django-hstore/django_hstore/fields.py/SerializedDictionaryField._deserialize_value/original