code: def _to_edit_kind(self, post_uid):
          '''
          Show the page for changing the category.
          '''
          if self.userinfo and self.userinfo.role[1] >= '3':
              pass
          else:
              self.redirect('/')
          postinfo = MPost.get_by_uid(post_uid, )
          json_cnt = json.dumps(postinfo.extinfo, indent=True)
          kwd = {}
          self.render('man_info/post_kind.html',
                      postinfo=postinfo,
                      sig_dic=router_post,
                      userinfo=self.userinfo,
                      json_cnt=json_cnt,
                      kwd=kwdf _to_edit_kind(self, post_uid):
          '''
          Show the page for changing the category.
          '''
          if self.userinfo and self.userinfo.role[1] >= '3':
              pass
          else:
              self.redirect('/')
          postinfo = MPost.get_by_uid(post_uid, )
          json_cnt = json.dumps(postinfo.extinfo, indent=True)
          kwd = {}
          self.render('man_info/post_kind.html',
                      postinfo=postinfo,
                      sig_dic=router_post,
                      userinfo=self.userinfo,
                      json_cnt=json_cnt,
                      kwd=kwd)
docs: Show the page for changing the category.