old_contents: """A module containing tests to demonstrate that tests are working."""
  
  
  class TestTest(object):
      """Container to demonstrate that tests are running"""
  
      def test_trivial(self):
          """Demonstrate that tests are running"""
          assert 1 == 1
  
new_contents: """A module containing tests to demonstrate that tests are working."""
  
  
  class TestTest(object):
      """Container to demonstrate that tests are running."""
  
      def test_trivial(self):
          """Demonstrate that tests are running."""
          assert 1 == 1
  
subject: Fix lintin error