how to remove sentences from ODM about sumy HOT 4 CLOSED

 parser = PlaintextParser.from_string(text, Tokenizer("english"))
    summarizer = LexRankSummarizer()
    summarizer.stop_words = get_stop_words("english")
    print(len(parser.document.sentences))
    paragraphs = []
    drops = []
    #print(len(parser.document.paragraphs))
    for paragraph in parser.document.paragraphs:
        #print(len(paragraph.sentences))
        for sentence in paragraph.sentences:

            if "......" in str(sentence):
                drops.append(sentence)
            else:
                paragraphs.append(sentence)

    print(len(drops), len(paragraphs))
    dom = ObjectDocumentModel(paragraphs)
    print(len(dom.paragraphs))

    summary = summarizer(dom, sentences_count)

1746
9 1737
1737
Traceback (most recent call last):
  File "app/utilities/text2sumy_summarize.py", line 53, in <module>
    result = sumy_summarize(text, sentences_count=args.sentences_count)
  File "app/utilities/text2sumy_summarize.py", line 32, in sumy_summarize
    summary = summarizer(dom, sentences_count)
  File "/Users/fred/.virtualenvs/pycharmed-unity/lib/python3.8/site-packages/sumy/summarizers/lex_rank.py", line 36, in __call__
    sentences_words = [self._to_words_set(s) for s in document.sentences]
  File "/Users/fred/.virtualenvs/pycharmed-unity/lib/python3.8/site-packages/sumy/utils.py", line 53, in decorator
    setattr(self, key, getter(self))
  File "/Users/fred/.virtualenvs/pycharmed-unity/lib/python3.8/site-packages/sumy/models/dom/_document.py", line 23, in sentences
    return tuple(chain(*sentences))
  File "/Users/fred/.virtualenvs/pycharmed-unity/lib/python3.8/site-packages/sumy/models/dom/_document.py", line 22, in <genexpr>
    sentences = (p.sentences for p in self._paragraphs)
AttributeError: 'Sentence' object has no attribute 'sentences'