old_contents: #!/usr/bin/env python3
  
  import Transaction
  
  import unittest
  
  class TestTransaction(unittest.TestCase) :
  
      def setUp(self) :
          self.t = Transaction.Transaction()
  
      def tearDown(self) :
          pass
  
      def test_not_None(self) :
          self.assertIsNotNone(self.t)
  
  if __name__ == '__main__' :
      unittest.main()
  
new_contents: #!/usr/bin/env python3
  
  import Transaction
  
  import unittest
  
  class TestTransaction(unittest.TestCase) :
  
      def setUp(self) :
          self.test_object = Transaction.Transaction()
  
      def tearDown(self) :
          pass
  
      def test_not_None(self) :
          self.assertIsNotNone(self.test_object)
  
  if __name__ == '__main__' :
      unittest.main()
  
subject: rename test_object