def pexpireat(self, key, timestamp):
        """Set expire timestamp on key, timestamp in milliseconds.

        :raises TypeError: if timeout is not int
        """
        if not isinstance(timestamp, int):
            raise TypeError("timestamp argument must be int, not {!r}"
                            .format(timestamp))
        fut = self.execute(b'PEXPIREAT', key, timestamp)
        return wait_convert(fut, bool)
Set expire timestamp on key, timestamp in milliseconds.

        :raises TypeError: if timeout is not int