下载文件出错

[summerYhl]

Traceback (most recent call last):
File "d:\python27\lib\site-packages\twisted\internet\defer.py", line 651, in _runCallbacks
current.result = callback(current.result, *args, **kw)
File "F:\crawler\woaidu_crawler\woaidu_crawler\pipelines\bookfile.py", line 75, in process_item
info = self.spiderinfo[spider]
TypeError: 'SpiderInfo' object has no attribute 'getitem'