[issue40869] errno missing descriptions

[YoSTEALTH]

Change by YoSTEALTH <ritesh at stealthcentral.com>:


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type:  -> enhancement
versions: +Python 3.7, Python 3.8, Python 3.9

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue40869>
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