[issue8883] Proxy exception lookup fails on MacOS in urllib.

[Ronald Oussoren]

Ronald Oussoren <ronaldoussoren at mac.com> added the comment:

Patchs looks file, although the 'None' branch might be a bit too fancy. I haven't found a spec either, and therefore your code is probably the safest way to deduce a mask.

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assignee:  -> ronaldoussoren
nosy: +ronaldoussoren

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