old_contents: from spider.cloud_spider.spiders import playlist
  import scrapy
  
  class PlayListChinese(playlist):
      name = 'play_list_chinese'
  
      def __init__(self, *args, **kwargs):
          super(PlayListChinese, self).__init__(*args, **kwargs)
  
      def start_requests(self):
          urls = ['http://music.163.com/discover/playlist/?order=hot&cat=华语&limit=35&offset={}'.format(page * 35) for page in range(40)]
          for url in urls:
              yield scrapy.FormRequest(url=url, method='GET', callback=self.get_list_id)
new_contents: from spider.cloud_spider.spiders.playlist import PlayLists
  import scrapy
  
  class PlayListChinese(PlayLists):
      name = 'play_list_chinese'
  
      def __init__(self, *args, **kwargs):
          super(PlayListChinese, self).__init__(*args, **kwargs)
  
      def start_requests(self):
          urls = ['http://music.163.com/discover/playlist/?order=hot&cat=华语&limit=35&offset={}'.format(page * 35) for page in range(40)]
          for url in urls:
              yield scrapy.FormRequest(url=url, method='GET', callback=self.get_list_id)
subject: fix bug