[issue13103] copy of an asyncore dispatcher causes infinite recursion

[Amaury Forgeot d'Arc]

Amaury Forgeot d'Arc <amauryfa at gmail.com> added the comment:

So, in 3.1 hasattr(y, '__setstate__') *did* recurse and hit the limit, but the exception was caught and hasattr returned False?

I think I prefer the new behavior...
The patch looks good, I would simply have raised AttributeError(name) though.

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nosy: +amaury.forgeotdarc

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