Return a list of tokens, using this blob's tokenizer object
    (defaults to :class:`WordTokenizer <textblob.tokenizers.WordTokenizer>`).

def tokens(self):
    """Return a list of tokens, using this blob's tokenizer object
    (defaults to :class:`WordTokenizer <textblob.tokenizers.WordTokenizer>`).
    """
    seq = self.word_tokenizer.transform(Sequence(self.raw))
    return WordList(seq.tokens(), parent=self, language=self.language.code)