docs: def translation_exists(self, slug, lang):
          """Return True if the translation exists for this slug."""
  
          try:
              return translations.Translation.get(
                  project_slug=self.get_project_slug(lang),
                  slug=slug,
                  lang=lang,
              )
  
          except (NotFoundError, RemoteServerError):
              pass
  
          return False