[issue9682] socket.create_connection error message for domain subpart with invalid length is very confusing

[Giampaolo Rodola']

Changes by Giampaolo Rodola' <g.rodola at gmail.com>:


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nosy: +giampaolo.rodola

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue9682>
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