def set_info(self, info):
        """Set the message's "info" string."""
        if isinstance(info, str):
            self._info = info
        else:
            raise TypeError('info must be a string: %s' - type(info))
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/MaildirMessage.set_info/operator `%` -> `-`