BUG

最近復用以前的代碼,結果發現了一個bug,bug如下:

File "/home/michael/work/oanda/src/oanda/trend_prediction/find_optimal_model.py", line 124, in <module>main()File "/home/michael/work/oanda/src/oanda/trend_prediction/find_optimal_model.py", line 116, in maintrials=trials)File "/home/michael/work/oanda/runtime/lib/python3.5/site-packages/hyperopt/fmin.py", line 307, in fminreturn_argmin=return_argmin,File "/home/michael/work/oanda/runtime/lib/python3.5/site-packages/hyperopt/base.py", line 635, in fminreturn_argmin=return_argmin)File "/home/michael/work/oanda/runtime/lib/python3.5/site-packages/hyperopt/fmin.py", line 314, in fminpass_expr_memo_ctrl=pass_expr_memo_ctrl)File "/home/michael/work/oanda/runtime/lib/python3.5/site-packages/hyperopt/base.py", line 786, in __init__pyll.toposort(self.expr)File "/home/michael/work/oanda/runtime/lib/python3.5/site-packages/hyperopt/pyll/base.py", line 715, in toposortassert order[-1] == exprTypeError: 'generator' object is not subscriptable

原因與解決方案

思考 :考慮到之前我更新了類庫,所以最先考慮的是類庫問題,但是是在找不到是那個類庫的問題,查了Hyperopt源碼也沒什么用.大概僵持了二十分鐘,決定還是去Github查查issues.確實找到了解決方案.
原因與解決底層庫networkx更新造成的,Hyperopt不支持networkx-2.0,我換成了1.11版本就OK了.

pip install networkx==1.11

blog :沒百度到這個錯誤,所以寫了博客,如文章題目使用關鍵詞Hyperopt+TypeError: 'generator' object is not subscriptable可以找到,算是造福一下小白.

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