code: def search(self, num_iid, seller_nick, page_no=1, page_size=20):
          '''taobao.traderates.search 商品评价查询接口
          
          通过商品id查询对应的评价信息'''
          request = TOPRequest('taobao.traderates.search')
          request['num_iid'] = num_iid
          request['seller_nick'] = seller_nick
          request['page_no'] = page_no
          request['page_size'] = page_size
          self.create(self.execute(request))
          return self.trade_ratef search(self, num_iid, seller_nick, page_no=1, page_size=20):
          '''taobao.traderates.search 商品评价查询接口
          
          通过商品id查询对应的评价信息'''
          request = TOPRequest('taobao.traderates.search')
          request['num_iid'] = num_iid
          request['seller_nick'] = seller_nick
          request['page_no'] = page_no
          request['page_size'] = page_size
          self.create(self.execute(request))
          return self.trade_rates
docs: taobao.traderates.search 商品评价查询接口
          
          通过商品id查询对应的评价信息