code: def add_editor(self, username, _delete=False, *args, **kwargs):
          
          url = self.reddit_session.config['wiki_page_editor']
          url = url.format(subreddit=six.text_type(self.subreddit),
                           method='del' if _delete else 'add')
  
          data = {'page': self.page,
                  'username': six.text_type(username)}
          return self.reddit_session.request_json(url, data=data, *args,
                                                  **kwargs)
docs: Add an editor to this wiki page.
  
          :param username: The name or Redditor object of the user to add.
          :param _delete: If True, remove the user as an editor instead.
              Please use :meth:`remove_editor` rather than setting it manually.
  
          Additional parameters are passed into
          :meth:`~praw.__init__.BaseReddit.request_json`.