[issue19731] Fix copyright footer

[STINNER Victor]

STINNER Victor added the comment:

> Marc-André pointed out that the copyright footer has the wrong date.

In an email? Could you please give the reference to the mail?

(I never understood these copyright dates, so it may help me to understand :-))

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nosy: +haypo

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Python tracker <report at bugs.python.org>
<http://bugs.python.org/issue19731>
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