python + selenium 上传文件和no alert is active 报错

python + selenium 上传文件     https://www.cnblogs.com/uniquefu/p/9707398.html

 

Python3+selenium 报错处理：“selenium.common.exceptions.NoAlertPresentException: Message: No alert is active”       https://www.cnblogs.com/lsdb/p/11189458.html