def encodeValue(self, value):
        """Return a string-encoded value.

        ``value`` argument should be a value suitable for the
        `utils.getDate` call.

        Return:
            Return value is a string in format "yyyymmdd".

        """
        if value:
            return utils.getDate(value).strftime("%Y%m%d")
        else:
            return " " % self.length
dataset/ETHPy150Open kennethreitz/tablib/tablib/packages/dbfpy3/fields.py/DbfDateFieldDef.encodeValue/operator `*` -> `%`