[issue33762] temp file isn't IOBase

[Greg Lindahl]

Greg Lindahl <lindahl at pbm.com> added the comment:

This is breaking aiohttp client file multipart uploads from temporary files. I'd be willing to bet that a lot of libraries do isinstance(foo, io.IOBase) deep in their guts.

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nosy: +wumpus

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue33762>
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