old_contents: from . import BaseTestCase
  
  
  class ADTTest(BaseTestCase):
  
      def test_metadata(self):
          from testapp.testapp import types
  
          assert types.Language.ENGLISH.variant_of.__adt__['variants'] == {'ENGLISH', 'GERMAN'}
          assert types.Language.ENGLISH.variant_of == types.Language
          assert types.Language.ENGLISH.value == 'en'
  
new_contents: from . import BaseTestCase
  
  
  class ADTTest(BaseTestCase):
  
      def test_metadata(self):
          from tests.testapp.testapp import types
  
          assert types.Language.ENGLISH.variant_of.__adt__['variants'] == {'ENGLISH', 'GERMAN'}
          assert types.Language.ENGLISH.variant_of == types.Language
          assert types.Language.ENGLISH.value == 'en'
  
subject: Fix Python3 builds