new_contents: # coding=utf-8
  from __future__ import unicode_literals
  from .. import Provider as InternetProvider
  from faker.utils.decorators import slugify
  
  
  class Provider(InternetProvider):
      user_name_formats = (
          '{{last_romanized_name}}.{{first_romanized_name}}',
          '{{first_romanized_name}}.{{last_romanized_name}}',
          '{{first_romanized_name}}##',
          '?{{last_romanized_name}}',
      )
      tlds = ('com', 'com', 'com', 'net', 'org', 'jp', 'jp', 'jp')
  
      @slugify
      def domain_word(self):
          return self.generator.format('last_romanized_name')
  
subject: add internet provider for ja_JP