def add_option(self, value, label):
        if type(value) is list:
            warnings.warn(".add_option() accepts single value now.", DeprecationWarning, stacklevel=1)
            value = value[0]
        if self.type not in ("list-multi", "list-single"):
            raise ValueError("Options are allowed only for list types.")
        option = Option(value, label)
        self.options.append(option)
        return option
(str, str, str) -> str
dataset/ETHPy150Open kuri65536/python-for-android/python3-alpha/python-libs/pyxmpp2/ext/dataforms.py/Field.add_option--crossover with--dataset/ETHPy150Open rohithpr/py-web-search/pws/google.py/generate_url