def set_date(self, date):
        """Set delivery date of message, in seconds since the epoch."""
        try:
            self._date = float(date)
        except ValueError:
            raise TypeError("can't convert to float: %s" % date)
dataset/ETHPy150Open babble/babble/include/jython/Lib/mailbox.py/MaildirMessage.set_date/original