code: def get_today_sentences(self, dataset):
      yesterday = (date.today() - timedelta(days=1)).strftime("%Y%m%d")
      sentences = [s for s in dataset if s.headers["date"] == yesterday]
      return sentences
  
imports: import math
  from underthesea.dictionary import Dictionary
  from collections import Counter, defaultdict
  from underthesea.utils import logger
  from datetime import date, timedelta
  import pandas
label_desc: Use image node_id 8 for calling the UDAnalyzer obj's underlying member method code with example usage: obj.get_today_sentences(dataset) and returns: sentences