old_contents: import os
  import tempfile
  import unittest
  
  from transformers.convert_marian_tatoeba_to_pytorch import DEFAULT_REPO, TatoebaConverter
  from transformers.file_utils import cached_property
  from transformers.testing_utils import slow
  
  
  @unittest.skipUnless(os.path.exists(DEFAULT_REPO))
  class TatoebaConversionTester(unittest.TestCase):
      @cached_property
      def resolver(self):
          tmp_dir = tempfile.mkdtemp()
          return TatoebaConverter(save_dir=tmp_dir)
  
      @slow
      def test_resolver(self):
          self.resolver.convert_models(["heb-eng"])
  
      @slow
      def test_model_card(self):
          content, mmeta = self.resolver.write_model_card("opus-mt-he-en", dry_run=True)
          assert mmeta["long_pair"] == "heb-eng"
  
new_contents: import os
  import tempfile
  import unittest
  
  from transformers.convert_marian_tatoeba_to_pytorch import DEFAULT_REPO, TatoebaConverter
  from transformers.file_utils import cached_property
  from transformers.testing_utils import slow
  
  
  @unittest.skipUnless(os.path.exists(DEFAULT_REPO), "Tatoeba directory does not exist.")
  class TatoebaConversionTester(unittest.TestCase):
      @cached_property
      def resolver(self):
          tmp_dir = tempfile.mkdtemp()
          return TatoebaConverter(save_dir=tmp_dir)
  
      @slow
      def test_resolver(self):
          self.resolver.convert_models(["heb-eng"])
  
      @slow
      def test_model_card(self):
          content, mmeta = self.resolver.write_model_card("opus-mt-he-en", dry_run=True)
          assert mmeta["long_pair"] == "heb-eng"
  
subject: Fix Tatoeba skip