old_contents: import os
  from getgist import Gist
  from re import search
  from unittest import TestCase
  try:
      from urllib2 import urlopen
  except ImportError:
      from urllib.request import urlopen
  
  test_user = 'cuducos'
  test_gist = '.vimrc'
  
  
  class TestAPI(TestCase):
  
      def setUp(self):
          self.gist = Gist(test_user, test_gist)
  
      def test_id(self):
          self.assertTrue(search(r'[\w\d]{16,}', self.gist.id))
  
      def test_raw_url(self):
          request = urlopen(self.gist.raw_url)
          self.assertEqual(request.getcode(), 200)
  
  
  class TestDownload(TestCase):
  
      def setUp(self):
          self.gist = Gist(test_user, test_gist, True)
  
      def tearDown(self):
          for file_name in os.listdir(self.gist.local_dir):
              if search(r'^({})(\.bkp(.\d)?)?$'.format(test_gist), file_name):
                  os.remove(os.path.join(self.gist.local_dir, file_name))
  
      def test_local_dir(self):
          self.assertTrue(os.path.exists(self.gist.local_dir))
          self.assertTrue(os.path.isdir(self.gist.local_dir))
  
      def test_download(self):
          self.gist.save()
          self.assertTrue(os.path.exists(self.gist.local_path))
  
new_contents: from __future__ import absolute_import
  
  import os
  from .getgist import Gist
  from re import search
  from unittest import TestCase
  
  try:
      from urllib2 import urlopen
  except ImportError:
      from urllib.request import urlopen
  
  test_user = 'cuducos'
  test_gist = '.vimrc'
  
  
  class TestAPI(TestCase):
  
      def setUp(self):
          self.gist = Gist(test_user, test_gist)
  
      def test_id(self):
          self.assertTrue(search(r'[\w\d]{16,}', self.gist.id))
  
      def test_raw_url(self):
          request = urlopen(self.gist.raw_url)
          self.assertEqual(request.getcode(), 200)
  
  
  class TestDownload(TestCase):
  
      def setUp(self):
          self.gist = Gist(test_user, test_gist, True)
  
      def tearDown(self):
          for file_name in os.listdir(self.gist.local_dir):
              if search(r'^({})(\.bkp(.\d)?)?$'.format(test_gist), file_name):
                  os.remove(os.path.join(self.gist.local_dir, file_name))
  
      def test_local_dir(self):
          self.assertTrue(os.path.exists(self.gist.local_dir))
          self.assertTrue(os.path.isdir(self.gist.local_dir))
  
      def test_download(self):
          self.gist.save()
          self.assertTrue(os.path.exists(self.gist.local_path))
  
subject: Use Python3 import