old_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from ...language import Language
  from ...attrs import LANG
  from ...fr.language_data import get_tokenizer_exceptions, STOP_WORDS
  from ...language_data.punctuation import TOKENIZER_INFIXES, ALPHA
  
  import pytest
  
  
  @pytest.fixture
  def fr_tokenizer_w_infix():
      SPLIT_INFIX = r'(?<=[{a}]\')(?=[{a}])'.format(a=ALPHA)
  
      # create new Language subclass to add to default infixes
      class French(Language):
          lang = 'fr'
  
          class Defaults(Language.Defaults):
              lex_attr_getters = dict(Language.Defaults.lex_attr_getters)
              lex_attr_getters[LANG] = lambda text: 'fr'
              tokenizer_exceptions = get_tokenizer_exceptions()
              stop_words = STOP_WORDS
              infixes = TOKENIZER_INFIXES + [SPLIT_INFIX]
  
      return French.Defaults.create_tokenizer()
  
  
  @pytest.mark.parametrize('text,expected_tokens', [("l'avion", ["l'", "avion"]),
                                                    ("j'ai", ["j'", "ai"])])
  def test_issue768(fr_tokenizer_w_infix, text, expected_tokens):
      """Allow zero-width 'infix' token during the tokenization process."""
      tokens = fr_tokenizer_w_infix(text)
      assert len(tokens) == 2
      assert [t.text for t in tokens] == expected_tokens
  
new_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from ...language import Language
  from ...attrs import LANG
  from ...fr.stop_words import STOP_WORDS
  from ...fr.tokenizer_exceptions import TOKENIZER_EXCEPTIONS
  from ...language_data.punctuation import TOKENIZER_INFIXES, ALPHA
  from ...util import update_exc
  
  import pytest
  
  
  @pytest.fixture
  def fr_tokenizer_w_infix():
      SPLIT_INFIX = r'(?<=[{a}]\')(?=[{a}])'.format(a=ALPHA)
  
      # create new Language subclass to add to default infixes
      class French(Language):
          lang = 'fr'
  
          class Defaults(Language.Defaults):
              lex_attr_getters = dict(Language.Defaults.lex_attr_getters)
              lex_attr_getters[LANG] = lambda text: 'fr'
              tokenizer_exceptions = update_exc(TOKENIZER_EXCEPTIONS)
              stop_words = STOP_WORDS
              infixes = TOKENIZER_INFIXES + [SPLIT_INFIX]
  
      return French.Defaults.create_tokenizer()
  
  
  @pytest.mark.parametrize('text,expected_tokens', [("l'avion", ["l'", "avion"]),
                                                    ("j'ai", ["j'", "ai"])])
  def test_issue768(fr_tokenizer_w_infix, text, expected_tokens):
      """Allow zero-width 'infix' token during the tokenization process."""
      tokens = fr_tokenizer_w_infix(text)
      assert len(tokens) == 2
      assert [t.text for t in tokens] == expected_tokens
  
subject: Fix import and tokenizer exceptions