[Buildbot] #3287: Set up automated testing of buildslave on Python 3

[Buildbot trac]

#3287: Set up automated testing of buildslave on Python 3
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Reporter:  dustin       |       Owner:  sa2ajj
    Type:  enhancement  |      Status:  accepted
Priority:  major        |   Milestone:  ongoing
 Version:  master       |  Resolution:
Keywords:               |
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Comment (by sa2ajj):

 Basically, the idea is to run `python<X.Y> -m compileall -q buildslave`
 from `slave` directory.

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Ticket URL: <http://trac.buildbot.net/ticket/3287#comment:14>
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