code: def get_authors(self, entry):
          
          try:
              return format_html_join(
                  ', ', '<a href="{}" target="blank">{}</a>',
                  [(author.get_absolute_url(),
                    getattr(author, author.USERNAME_FIELD))
                   for author in entry.authors.all()])
          except NoReverseMatch:
              return ', '.join(
                  [conditional_escape(getattr(author, author.USERNAME_FIELD))
                   for author in entry.authors.all()])
docs: Return the authors in HTML.