autobuild[sn-devel-144]: intermittent test failure detected

[autobuild]

The autobuild test system (on sn-devel-144) has detected an intermittent failing test in 
the current master tree.

The autobuild log of the failure is available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-09-15-0225/flakey.log

The samba build logs are available here:

   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-09-15-0225/samba.stderr
   http://git.samba.org/autobuild.flakey.sn-devel-144/2017-09-15-0225/samba.stdout
  
The top commit at the time of the failure was:

commit 3f0938b9389dc9c0ca5e4acf0451f14050a7506f
Author: Alexander Bokovoy <ab at samba.org>
Date:   Wed Sep 13 11:37:34 2017 +0300

    Install dcerpc/__init__.py for all Python environments
    
    Also fix whitespace. We use tabs, not spaces in Python/waf code.
    
    BUG: https://bugzilla.samba.org/show_bug.cgi?id=13030
    
    Signed-off-by: Alexander Bokovoy <ab at samba.org>
    Reviewed-by: Andrew Bartlett <abartlet at samba.org>
    
    Autobuild-User(master): Stefan Metzmacher <metze at samba.org>
    Autobuild-Date(master): Thu Sep 14 22:29:39 CEST 2017 on sn-devel-144