Does this library support async / await or not?

I've seen it asked multiple times in issues, but it's not clear if it is, or is not supported.
I've tried to make it work with async / await and it does not work. But maybe since this library is kind of old, there is some pattern I'm missing to make it work?

Start by reviewing the library's request API and any documentation or tests covering asynchronous usage; the issue names no files or entry points. Determine whether async/await is supported, then document the supported pattern or the limitation and make the result unambiguous for users.

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