new_contents: # -*- coding: utf-8 -*-
  """
  @author: Federico Cerchiari <federicocerchiari@gmail.com>
  """
  import unittest
  
  from tempy.tags import *
  from tempy.tempy import DOMElement, Tag, TagAttrs
  
  
  class TestTag(unittest.TestCase):
  
      def setUp(self):
          self.page = Html()
  
      def is_tag(self, tag):
          self.assertIsInstance(tag, Tag)
          self.assertIsInstance(tag, DOMElement)
          self.assertIsInstance(tag.attrs, TagAttrs)
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Create test_css.py