punkt_param = PunktParameters()
punkt_param.abbrev_types = set(['dr', 'vs', 'mr', 'mrs', 'prof', 'inc'])
sentence_splitter = PunktSentenceTokenizer(punkt_param)
text = 'is THAT what you mean, Mrs. Hussey?'
sentences = sentence_splitter.tokenize(text)
Как настроить токенизатор предложений NLTK