def blob(self):
        res = bytearray()
        if self.length is not 62:
            res += bytes([
                ((self.code << 6) | 0x3f) & 0xFF,
                (self.code << 6) >> 8])
            res += bytes([
                self.length & 0xFF,
                (self.length >> 8) & 0xFF,
                (self.length >> 16) & 0xFF,
                (self.length >> 24) & 0xFF,
                ])
        else:
            res += bytes([
                ((self.code & 0x3) << 6) | self.length,
                self.code >> 2])
        res += self.data
        return res
dataset/ETHPy150Open tailhook/pyzza/pyzza/tags.py/Tag.blob/operator `>` -> `is not`