Buildbot failure in Python on x86 Windows7 3.x

The Buildbot has detected a failed build on builder x86 Windows7 3.x while building python/cpython. Full details are available at: http://buildbot.python.org/all/#builders/58/builds/110
Buildbot URL: http://buildbot.python.org/all/
Worker for this Build: bolen-windows7
Build Reason: <unknown> Blamelist: Berker Peksag <berker.peksag@gmail.com>, Steve Dower <steve.dower@microsoft.com>, davy wybiral <davy.wybiral@gmail.com>
BUILD FAILED: failed compile (failure)
Sincerely, -The Buildbot

https://bugs.python.org/issue31957
D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\PCbuild\python.props(77,31): error MSB4086: A numeric comparison was attempted on "$(Registry:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Microsoft SDKs\Windows\v10.0@ProductVersion)" that evaluates to "" instead of a number, in condition "$(Registry:HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\Microsoft SDKs\Windows\v10.0@ProductVersion) >= '10.0.15063'". [D:\cygwin\home\db3l\buildarea\3.x.bolen-windows7\build\PCbuild\pythoncore.vcxproj]
2017-11-05 0:30 GMT+01:00 <buildbot@python.org>:
The Buildbot has detected a failed build on builder x86 Windows7 3.x while building python/cpython. Full details are available at: http://buildbot.python.org/all/#builders/58/builds/110
Buildbot URL: http://buildbot.python.org/all/
Worker for this Build: bolen-windows7
Build Reason: <unknown> Blamelist: Berker Peksag <berker.peksag@gmail.com>, Steve Dower <steve.dower@microsoft.com>, davy wybiral <davy.wybiral@gmail.com>
BUILD FAILED: failed compile (failure)
Sincerely, -The Buildbot
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