docs: def create_title(self, page):
          """
          Create page title in all other languages with cms.api.create_title()
          """
          for language_code, lang_name in iter_languages(self.languages):
              try:
                  title = Title.objects.get(page=page, language=language_code)
              except Title.DoesNotExist:
                  slug = self.get_slug(language_code, lang_name)
                  assert slug != "", "No slug for %r" % language_code
                  title = create_title(
                      language=language_code,
                      title=self.get_title(language_code, lang_name),
                      page=page,
                      slug=slug,
                  )
                  log.debug("Title created: %s", title)
              else:
                  log.debug("Page title exist: %s", title)