求助!谁能帮我看看这是怎么回事,我用的pythonFile "moso.py", line 133, in answerRows = getSubJectAnswer(opener,userId)File "moso.py", line 48, in getSubJectAnswertrueRate = item.find(attrs={"style": "color:#07AC6C;"}).stringAttributeError: 'NoneType' object has no attribute 'string'