old_contents: # Import python libs
  import os
  import shutil
  import tempfile
  import integration
  
  
  class VirtualenvModuleTest(integration.ModuleCase):
      '''
      Validate the virtualenv module
      '''
      def setUp(self):
          super(VirtualenvModuleTest, self).setUp()
          ret = self.run_function('cmd.has_exec', ['virtualenv'])
          if not ret:
              self.skipTest('virtualenv not installed')
          self.venv_test_dir = tempfile.mkdtemp()
          self.venv_dir = os.path.join(self.venv_test_dir, 'venv')
  
      def test_create_defaults(self):
          '''
          virtualenv.managed
          '''
          self.run_function('virtualenv.create', [self.venv_dir])
          pip_file = os.path.join(self.venv_dir, 'bin', 'pip')
          self.assertTrue(os.path.exists(pip_file))
  
      def test_site_packages(self):
          pip_bin = os.path.join(self.venv_dir, 'bin', 'pip')
          self.run_function(
              'virtualenv.create', [self.venv_dir], system_site_packages=True
          )
          with_site = self.run_function('pip.freeze', bin_env=pip_bin)
          self.run_function('file.remove', [self.venv_dir])
          self.run_function('virtualenv.create', [self.venv_dir])
          without_site = self.run_function('pip.freeze', bin_env=pip_bin)
          self.assertFalse(with_site == without_site)
  
      def test_clear(self):
          pip_bin = os.path.join(self.venv_dir, 'bin', 'pip')
          self.run_function('virtualenv.create', [self.venv_dir])
          self.run_function('pip.install', [], pkgs='pep8', bin_env=pip_bin)
          self.run_function('virtualenv.create', [self.venv_dir], clear=True)
          packages = self.run_function('pip.list', prefix='pep8', bin_env=pip_bin)
          self.assertFalse('pep8' in packages)
  
      def tearDown(self):
          self.run_function('file.remove', [self.venv_test_dir])
  
  
  if __name__ == '__main__':
      from integration import run_tests
      run_tests(VirtualenvModuleTest)
  
new_contents: # Import python libs
  import os
  import tempfile
  import integration
  
  
  class VirtualenvModuleTest(integration.ModuleCase):
      '''
      Validate the virtualenv module
      '''
      def setUp(self):
          super(VirtualenvModuleTest, self).setUp()
          ret = self.run_function('cmd.has_exec', ['virtualenv'])
          if not ret:
              self.skipTest('virtualenv not installed')
          self.venv_test_dir = tempfile.mkdtemp()
          self.venv_dir = os.path.join(self.venv_test_dir, 'venv')
  
      def test_create_defaults(self):
          '''
          virtualenv.managed
          '''
          self.run_function('virtualenv.create', [self.venv_dir])
          pip_file = os.path.join(self.venv_dir, 'bin', 'pip')
          self.assertTrue(os.path.exists(pip_file))
  
      def test_site_packages(self):
          pip_bin = os.path.join(self.venv_dir, 'bin', 'pip')
          self.run_function(
              'virtualenv.create', [self.venv_dir], system_site_packages=True
          )
          with_site = self.run_function('pip.freeze', bin_env=pip_bin)
          self.run_function('file.remove', [self.venv_dir])
          self.run_function('virtualenv.create', [self.venv_dir])
          without_site = self.run_function('pip.freeze', bin_env=pip_bin)
          self.assertFalse(with_site == without_site)
  
      def test_clear(self):
          pip_bin = os.path.join(self.venv_dir, 'bin', 'pip')
          self.run_function('virtualenv.create', [self.venv_dir])
          self.run_function('pip.install', [], pkgs='pep8', bin_env=pip_bin)
          self.run_function('virtualenv.create', [self.venv_dir], clear=True)
          packages = self.run_function('pip.list', prefix='pep8', bin_env=pip_bin)
          self.assertFalse('pep8' in packages)
  
      def tearDown(self):
          self.run_function('file.remove', [self.venv_test_dir])
  
  
  if __name__ == '__main__':
      from integration import run_tests
      run_tests(VirtualenvModuleTest)
  
subject: remove unused import