old_contents: import os
  
  from nikola.plugin_categories import Task
  from nikola import utils
  
  class Sources(Task):
      """Copy page sources into the output."""
  
      name = "render_sources"
  
      def gen_tasks(self):
          """Publish the page sources into the output.
  
          Required keyword arguments:
  
          translations
          default_lang
          post_pages
          output_folder
          """
          kw = {
              "translations": self.site.config["TRANSLATIONS"],
              "output_folder": self.site.config["OUTPUT_FOLDER"],
              "default_lang": self.site.config["DEFAULT_LANG"],
          }
  
          self.site.scan_posts()
          flag = False
          for lang in kw["translations"]:
              for post in self.site.timeline:
                  output_name = os.path.join(kw['output_folder'],
                      post.destination_path(lang, post.source_ext()))
                  source = post.source_path
                  if lang != kw["default_lang"]:
                      source_lang = source + '.' + lang
                      if os.path.exists(source_lang):
                          source = source_lang
                  yield {
                      'basename': 'render_sources',
                      'name': output_name.encode('utf8'),
                      'file_dep': [source],
                      'targets': [output_name],
                      'actions': [(utils.copy_file, (source, output_name))],
                      'clean': True,
                      'uptodate': [config_changed(kw)],
                      }
          if flag == False:  # No page rendered, yield a dummy task
              yield {
                  'basename': 'render_sources',
                  'name': 'None',
                  'uptodate': [True],
                  'actions': [],
              }
  
new_contents: import os
  
  from nikola.plugin_categories import Task
  from nikola import utils
  
  class Sources(Task):
      """Copy page sources into the output."""
  
      name = "render_sources"
  
      def gen_tasks(self):
          """Publish the page sources into the output.
  
          Required keyword arguments:
  
          translations
          default_lang
          post_pages
          output_folder
          """
          kw = {
              "translations": self.site.config["TRANSLATIONS"],
              "output_folder": self.site.config["OUTPUT_FOLDER"],
              "default_lang": self.site.config["DEFAULT_LANG"],
          }
  
          self.site.scan_posts()
          flag = False
          for lang in kw["translations"]:
              for post in self.site.timeline:
                  output_name = os.path.join(kw['output_folder'],
                      post.destination_path(lang, post.source_ext()))
                  source = post.source_path
                  if lang != kw["default_lang"]:
                      source_lang = source + '.' + lang
                      if os.path.exists(source_lang):
                          source = source_lang
                  yield {
                      'basename': 'render_sources',
                      'name': output_name.encode('utf8'),
                      'file_dep': [source],
                      'targets': [output_name],
                      'actions': [(utils.copy_file, (source, output_name))],
                      'clean': True,
                      'uptodate': [utils.config_changed(kw)],
                      }
          if flag == False:  # No page rendered, yield a dummy task
              yield {
                  'basename': 'render_sources',
                  'name': 'None',
                  'uptodate': [True],
                  'actions': [],
              }
  
subject: fix name