[Buildbot] #3473: documentation on ReadTheDocs not updated with latest nine beta releases

[Buildbot trac]

#3473: documentation on ReadTheDocs not updated with latest nine beta releases
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Reporter:  rutsky     |       Owner:
    Type:  undecided  |      Status:  new
Priority:  major      |   Milestone:  undecided
 Version:  master     |  Resolution:
Keywords:             |
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Comment (by tardyp):

 I added blockdiag which is now a dependency to building the docs

 I am not sure how you can add sphinx extension dependencies on readthedocs
 build system.

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Ticket URL: <http://trac.buildbot.net/ticket/3473#comment:2>
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