[Bugs] #1877 UNSP: sugar-emulator causes crash on launch of sugar instance

[Sugar Labs Bugs]

#1877: sugar-emulator causes crash on launch of sugar instance
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    Reporter:  pbrobinson                 |          Owner:  tomeu      
        Type:  defect                     |         Status:  new        
    Priority:  Unspecified by Maintainer  |      Milestone:  0.88       
   Component:  sugar                      |        Version:  0.86.x     
    Severity:  Unspecified                |       Keywords:             
Distribution:  Fedora                     |   Status_field:  Unconfirmed
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 From https://bugzilla.redhat.com/show_bug.cgi?id=540578

 Summary: TBc186edbc emulator.py:157:main:TypeError: %d format: a number is
 required, not NoneType

 Traceback (most recent call last):
   File "<string>", line 1, in <module>
   File "/usr/lib/python2.6/site-packages/jarabe/util/emulator.py", line
 157, in main
     command.extend(['sugar', '-d', ':%d' % display])
 TypeError: %d format: a number is required, not NoneType

 Local variables in innermost frame:
 parser: <optparse.OptionParser instance at 0x9d714cc>
 args: []
 command: ['dbus-launch', 'dbus-launch', '--exit-with-session']
 display: None
 options: {'scaling': None, 'fullscreen': None, 'dimensions': None, 'dpi':
 None}

-- 
Ticket URL: <https://bugs.sugarlabs.org/ticket/1877>
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