code: def errcat(self):
          '''
          List the posts to be modified.
          '''
          post_recs = MPost.query_random(limit=1000)
          outrecs = []
          errrecs = []
          idx = 0
          for postinfo in post_recs:
              if idx > 16:
                  break
              cat = MPost2Catalog.get_first_category(postinfo.uid)
              if cat:
                  if 'def_cat_uid' in postinfo.extinfo:
                      if postinfo.extinfo['def_cat_uid'] == cat.tag_id:
                          pass
                      else:
                          errrecs.append(postinfo)
                          idx += 1
                  else:
                      errrecs.append(postinfo)
                      idx += 1
              else:
                  outrecs.append(postinfo)
                  idx += 1
          self.render('list/errcat.html',
                      kwd={},
                      norecs=outrecs,
                      errrecs=errrecs,
                      userinfo=self.userinfof errcat(self):
          '''
          List the posts to be modified.
          '''
          post_recs = MPost.query_random(limit=1000)
          outrecs = []
          errrecs = []
          idx = 0
          for postinfo in post_recs:
              if idx > 16:
                  break
              cat = MPost2Catalog.get_first_category(postinfo.uid)
              if cat:
                  if 'def_cat_uid' in postinfo.extinfo:
                      if postinfo.extinfo['def_cat_uid'] == cat.tag_id:
                          pass
                      else:
                          errrecs.append(postinfo)
                          idx += 1
                  else:
                      errrecs.append(postinfo)
                      idx += 1
              else:
                  outrecs.append(postinfo)
                  idx += 1
          self.render('list/errcat.html',
                      kwd={},
                      norecs=outrecs,
                      errrecs=errrecs,
                      userinfo=self.userinfo)
docs: List the posts to be modified.