[Bugs] #2952 UNSP: TypeError: 'NoneType' object is not subscriptable in shell.log

[Sugar Labs Bugs]

#2952: TypeError: 'NoneType' object is not subscriptable in shell.log
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    Reporter:  carrott                    |          Owner:                             
        Type:  defect                     |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  untriaged                  |        Version:  0.92.x                     
    Severity:  Unspecified                |       Keywords:                             
Distribution:  OLPC                       |   Status_field:  Unconfirmed                
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 XO-1.0 os872 (11.2.0 I think)

 This error appears in the log of one of our XOs and persists across
 restarts. I cannot see it in the others.

 See attached for full log.

 {{{
 Traceback (most recent call last):
   File "/usr/lib/python2.7/site-packages/jarabe/model/neighborhood.py",
 line 392, in __active_activity_changed_cb
     connection = self._connection[CONNECTION_INTERFACE_BUDDY_INFO]
 TypeError: 'NoneType' object is not subscriptable
 }}}

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Ticket URL: <http://bugs.sugarlabs.org/ticket/2952>
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