code: def _media(self):
          
          media = super(EntryAdminTinyMCEMixin, self).media
  
          media += TinyMCE().media + Media(
              js=[reverse('tinymce-js', args=['admin/zinnia/entry']),
                  reverse('tinymce-filebrowser-callback')]
          )
  
          return media
docs: The medias needed to enhance the admin page.