def get_prep_value(self, value):
        if value == None:
            return value
        elif _is_gettext_promise(value):
            value = smart_text(value._proxy____args[0])
        return smart_text(value)
dataset/ETHPy150Open charettes/django-mutant/mutant/db/fields/translation.py/LazilyTranslatedField.get_prep_value/operator `is` -> `==`