code: def to_modify(self, uid):
          '''
          Try to modify the page.
          '''
  
          kwd = {
              'pager': '',
  
          }
          self.render('wiki_page/page_edit.html',
                      postinfo=MWiki.get_by_uid(uid),
                      kwd=kwd,
                      cfg=CMS_CFG,
                      userinfo=self.userinfof to_modify(self, uid):
          '''
          Try to modify the page.
          '''
  
          kwd = {
              'pager': '',
  
          }
          self.render('wiki_page/page_edit.html',
                      postinfo=MWiki.get_by_uid(uid),
                      kwd=kwd,
                      cfg=CMS_CFG,
                      userinfo=self.userinfo)
docs: Try to modify the page.