def __call__(self, value):
        value = str(value)
        if OptionName.pattern.match(value) is None:
            raise ValueError(value % 'Illegal characters in option name: %s')
        return value
dataset/ETHPy150Open splunk/splunk-app-twitter/twitter2/bin/splunklib/searchcommands/validators.py/OptionName.__call__/swapped operands of `%`