old_contents: import unittest
  import mock
  import encode_map
  
  
  class TestEncodeMap(unittest.TestCase):
  
      def setUp(self):
          pass
  
      def test_strip_extensions(self):
          pass
  
      def test_resolve_reference(self):
          pass
  
      def test_crop(self):
          pass
  
      def test_process(self):
          pass
  
  
  if __name__ == "__main__":
      unittest.main()
  
new_contents: import unittest
  import encode_map
  
  
  class TestEncodeMap(unittest.TestCase):
  
      def setUp(self):
          pass
  
      def test_strip_extensions(self):
          pass
  
      def test_resolve_reference(self):
          pass
  
      def test_crop(self):
          pass
  
      def test_process(self):
          pass
  
  
  if __name__ == "__main__":
      unittest.main()
  
subject: fix import