[issue35437] Almost all Windows buildbots are failing to compile

[Pablo Galindo Salgado]

Change by Pablo Galindo Salgado <pablogsal at gmail.com>:


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nosy: +ned.deily
versions: +Python 3.6, Python 3.7

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Python tracker <report at bugs.python.org>
<https://bugs.python.org/issue35437>
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