code: def setUp(self):
      self.tokenizer = SentenceTokenizer()
      self.text = "Beautiful is better than ugly. Simple is better than complex."
  
imports: import unittest
  from nose.plugins.attrib import attr
  from nose.tools import *
  from textblob.tokenizers import WordTokenizer, SentenceTokenizer, word_tokenize, sent_tokenize
  from textblob.compat import PY2
label_desc: Use image node_id 1 for calling the TestSentenceTokenizer obj's underlying member method code with example usage: obj.setUp() without return types