[issue27823] Change bare AttributeError messages to be more informative

[Irit Katriel]

Irit Katriel <iritkatriel at yahoo.com> added the comment:

-1

As Anilyka wrote: "it (AttributeError) doesn't even mean the attribute doesn't exist, as it may".

So it's not safe to fill in a missing message based on the assumption that we know what it should be.

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nosy: +iritkatriel

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue27823>
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