它在这里发生:

with open(os.path.join(root, documento), 'r') as fin:

因此您已打开并锁定了文件，这就是为什么您无法使用以下方式删除此文件夹的原因:

So you have your file open and locked, that is why you are not able delete this folder using:

shutil.rmtree(root)

在此语句内，您必须在with语句外

within this statement, you have to do outside of with statement