PySpider HTTP 599: SSL certificate problem错误的解决方法

[E 160329 11:32:22 base_handler:194] HTTP 599: SSL certificate problem: self signed certificate in certificate chain

    Traceback (most recent call last):      File "D:\Python27\lib\site-packages\pyspider\libs\base_handler.py", line 187, in run_task        result = self._run_task(task, response)      File "D:\Python27\lib\site-packages\pyspider\libs\base_handler.py", line 166, in _run_task        response.raise_for_status()      File "D:\Python27\lib\site-packages\pyspider\libs\response.py", line 183, in raise_for_status        raise http_error
    HTTPError: HTTP 599: SSL certificate problem: self signed certificate in certificate chain
解决方法：
使用self.crawl(url, callback=self.index_page, validate_cert=False)
并参考http://blog.csdn.net/asmcvc/article/details/51016485文末。