fix spider

ydyspider/spiders/zycontentSpider.py

@@ -43,7 +43,7 @@ class zycontentSpider(scrapy.Spider):
         for book_item in book_list:
             bid = book_item['bid']
             zhiyu_book = mysql.getZyBook(bid)
-            if zhiyu_book is not None:
+            if zhiyu_book is  None:
                 url = self.base_url + '/bookdetail/{}'.format(bid) + self.query
                 yield scrapy.Request(url, callback=self.parse2, meta={"zhiyu_book_id": bid, "i": 0})