old_contents: """Created By: Andrew Ryan DeFilippis"""
  
  import contextlib
  import re
  import unittest
  from io import StringIO
  
  import context
  import lambda_function
  
  
  class TestLambdaFunction(unittest.TestCase):
      """Test all the Lambda Function things!
      """
  
      def test_cwlogs_event_format(self):
          """Verify the format of a log event sent to CWLogs.
          """
  
          log = lambda_function.CWLogs(context)
  
          output = StringIO()
  
          with contextlib.redirect_stdout(output):
              log.event('Message')
  
          output = output.getvalue().strip()
  
          event = re.match((
              "^LOG "
              "RequestId: "
              "[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}"
              "\t"
              "Message$"
          ), output)
  
          self.assertIsNotNone(event)
  
      def test_invocation_response(self):
          """Verify successful invocation of the Function.
          """
  
          expected_result = {'Hello': 'World!'}
          result = lambda_function.local_test()
  
          self.assertEqual(expected_result, result)
  
  
  if __name__ == '__main__':
      unittest.main()
  
new_contents: """Created By: Andrew Ryan DeFilippis"""
  
  import contextlib
  import re
  import unittest
  from io import StringIO
  
  import context
  import lambda_function
  
  
  class TestLambdaFunction(unittest.TestCase):
      """Test all the Lambda Function things!
      """
  
      def test_cwlogs_event_format(self):
          """Verify the format of a log event sent to CWLogs.
          """
  
          log = lambda_function.CWLogs(context)
  
          output = StringIO()
  
          with contextlib.redirect_stdout(output):
              log.event('Message')
  
          output = output.getvalue().strip()
  
          event = re.match((
              '^LOG '
              'RequestId: '
              '[0-9a-f]{8}-[0-9a-f]{4}-[1-5][0-9a-f]{3}-[89ab][0-9a-f]{3}-[0-9a-f]{12}'
              '\t'
              'Message$'
          ), output)
  
          self.assertIsNotNone(event)
  
      def test_invocation_response(self):
          """Verify successful invocation of the Function.
          """
  
          expected_result = {'Hello': 'World!'}
          result = lambda_function.local_test()
  
          self.assertEqual(expected_result, result)
  
  
  if __name__ == '__main__':
      unittest.main()
  
subject: Change to single-quoted strings