[Buildbot] #3494: www/change_hook base broken because of isdir dependency

[Buildbot trac]

#3494: www/change_hook base broken because of isdir dependency
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Reporter:  rayalan  |       Owner:
    Type:  defect   |      Status:  new
Priority:  major    |   Milestone:  undecided
 Version:  master   |  Resolution:
Keywords:           |
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Comment (by rayalan):

 Proposed patch here: https://github.com/buildbot/buildbot/pull/2062,
 although it doesn't deal with the CVS mailer.

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Ticket URL: <http://trac.buildbot.net/ticket/3494#comment:1>
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