def get_subscript(self, start_index = 0, filter = None):

        output = ''
        for (opcode, bytes, value) in self._tokens[start_index:]:
            if filter and not filter(opcode, bytes, value):
                continue
            output += bytes
        return output
Rebuild the script from token start_index, using the callable
dataset/ETHPy150Open ricmoo/pycoind/pycoind/script/script.py/Tokenizer.get_subscript