code: def tokenize(self: object, untokenized_string: str, include_blanks=False):
          
          
          # load tokenizer
          assert isinstance(untokenized_string, str), 'Incoming argument must be a string.'
  
          # make list of tokenized sentences
          if include_blanks:
              tokenized_lines = untokenized_string.splitlines()
          else:
              tokenized_lines = [line for line in untokenized_string.splitlines() if line != '']
          return tokenized_lines
docs: Tokenize lines by '\n'.
          :type untokenized_string: str
          :param untokenized_string: A string containing one of more sentences.
          :param include_blanks: Boolean; If True, blanks will be preserved by "" in returned list of strings; Default is False.
          :rtype : list of strings