[Bugs] #1109 UNSP: PEP8 compliance fixes

[SugarLabs Bugs]

#1109: PEP8 compliance fixes
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    Reporter:  sascha_silbe               |          Owner:  erikos                     
        Type:  task                       |         Status:  new                        
    Priority:  Unspecified by Maintainer  |      Milestone:  Unspecified by Release Team
   Component:  sugar-toolkit              |        Version:  Git as of bugdate          
    Severity:  Trivial                    |       Keywords:  r?                         
Distribution:  Unspecified                |   Status_field:  New                        
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 Similar to #1108, the attached patch fixes most of the complains from
 pep8.py, but this time only for some of the files (mostly the ones changed
 in my own branch).

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Ticket URL: <http://dev.sugarlabs.org/ticket/1109>
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