code: def clear_empty(self):
          
          for flair in self.current_flair():
              if not flair['flair_text'] and not flair['flair_css_class']:
                  print(self.reddit.flair.update(flair['user']))
                  print('Removed flair for {0}'.format(flair['user']))
docs: Remove flair that is not visible or has been set to empty.