old_contents: import unittest
  from porunga import get_manager
  from porunga.commands.test import PorungaTestCommand
  
  
  class TestManager(unittest.TestCase):
  
      def test_manager_has_proper_commands(self):
          manager = get_manager()
          commands = manager.get_commands()
  
          self.assertIn('test', commands)
          test_command = commands['test']
          self.assertIsInstance(test_command, PorungaTestCommand)
  
  
new_contents: import unittest
  from porunga import get_manager
  from porunga.commands.test import PorungaTestCommand
  
  
  class TestManager(unittest.TestCase):
  
      def test_manager_has_proper_commands(self):
          manager = get_manager()
          commands = manager.get_commands()
  
          self.assertTrue('test' in commands)
          test_command = commands['test']
          self.assertTrue(isinstance(test_command, PorungaTestCommand))
  
  
subject: Test updated to work with Python 2.6