def serialize(self):
        return self._items.serialize()
sent : list of strings
dataset/ETHPy150Open sdispater/orator/orator/pagination/length_aware_paginator.py/LengthAwarePaginator.serialize--crossover with--dataset/ETHPy150Open inpho/vsm/vsm/extensions/ldasentences.py/CorpusSent.sent_int