old_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from ...en import English
  from ...tokenizer import Tokenizer
  from ... import util
  
  import pytest
  
  @pytest.fixture
  def tokenizer(en_vocab):
      prefix_re = util.compile_prefix_regex(nlp_model.Defaults.prefixes)
      suffix_re = util.compile_suffix_regex(nlp_model.Defaults.suffixes)
      custom_infixes = ['\.\.\.+',
                        '(?<=[0-9])-(?=[0-9])',
                        # '(?<=[0-9]+),(?=[0-9]+)',
                        '[0-9]+(,[0-9]+)+',
                        u'[\[\]!&:,()\*—–\/-]']
  
      infix_re = util.compile_infix_regex(custom_infixes)
      return Tokenizer(en_vocab,
                       English.Defaults.tokenizer_exceptions,
                       prefix_re.search,
                       suffix_re.search,
                       infix_re.finditer,
                       token_match=None)
  
  def test_customized_tokenizer_handles_infixes(tokenizer):
      sentence = "The 8 and 10-county definitions are not used for the greater Southern California Megaregion."
      context = [word.text for word in tokenizer(sentence)]
      assert context == [u'The', u'8', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                         u'for',
                         u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
  
      # the trailing '-' may cause Assertion Error
      sentence = "The 8- and 10-county definitions are not used for the greater Southern California Megaregion."
      context = [word.text for word in tokenizer(sentence)]
      assert context == [u'The', u'8', u'-', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                         u'for',
                         u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
  
new_contents: # coding: utf-8
  from __future__ import unicode_literals
  
  from ...en import English
  from ...tokenizer import Tokenizer
  from ... import util
  
  import pytest
  
  @pytest.fixture
  def tokenizer(en_vocab):
      prefix_re = util.compile_prefix_regex(English.Defaults.prefixes)
      suffix_re = util.compile_suffix_regex(English.Defaults.suffixes)
      custom_infixes = ['\.\.\.+',
                        '(?<=[0-9])-(?=[0-9])',
                        # '(?<=[0-9]+),(?=[0-9]+)',
                        '[0-9]+(,[0-9]+)+',
                        u'[\[\]!&:,()\*—–\/-]']
  
      infix_re = util.compile_infix_regex(custom_infixes)
      return Tokenizer(en_vocab,
                       English.Defaults.tokenizer_exceptions,
                       prefix_re.search,
                       suffix_re.search,
                       infix_re.finditer,
                       token_match=None)
  
  def test_customized_tokenizer_handles_infixes(tokenizer):
      sentence = "The 8 and 10-county definitions are not used for the greater Southern California Megaregion."
      context = [word.text for word in tokenizer(sentence)]
      assert context == [u'The', u'8', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                         u'for',
                         u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
  
      # the trailing '-' may cause Assertion Error
      sentence = "The 8- and 10-county definitions are not used for the greater Southern California Megaregion."
      context = [word.text for word in tokenizer(sentence)]
      assert context == [u'The', u'8', u'-', u'and', u'10', u'-', u'county', u'definitions', u'are', u'not', u'used',
                         u'for',
                         u'the', u'greater', u'Southern', u'California', u'Megaregion', u'.']
  
subject: Fix customized-tokenizer tests