Method __setstate

tools/python-3.11.9-amd64/Lib/datetime.py:1205–1207

(self, string)

        return bytes([yhi, ylo, self._month, self._day]),

    def __setstate(self, string):
        yhi, ylo, self._month, self._day = string
        self._year = yhi * 256 + ylo

    def __reduce__(self):
        return (self.__class__, self._getstate())