使用PyOpenAL时清理的正确方法是什么？

I'm looking at PyOpenAL for some sound needs with Python (obviously). Documentation is sparse (consisting of a demo script, which doesn't work unmodified) but as far as I can tell, there are two layers. Direct wrapping of OpenAL calls and a lightweight 'pythonic' wrapper - it is the latter I'm concerned with. Specifically, how do you clean up correctly? If we take a small example:I'm looking at PyOpenAL for some sound needs wi