每次只输出一个爬虫，下一行输出craw failed
craw 1 : http://baike.baidu.com/view/21087.htm craw failed unbound method collect_data() must be called with HtmlOutputer instance as first argument (got dict instance instead) 程序报这个错误是为什么？
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craw 1 : http://baike.baidu.com/view/21087.htm craw failed unbound method collect_data() must be called with HtmlOutputer instance as first argument (got dict instance instead) 程序报这个错误是为什么？
2016-11-03
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