[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                    |     Resolution:                             
    Keywords:  r?                         |   Distribution:  Unspecified                
Status_field:  Assigned                   |  
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Changes (by sascha_silbe):

 * cc: tomeu (added)
  * keywords:  r! => r?


Comment:

 As a start I've now done only the EOL fixes (but for all files this time).
 I suppose that doesn't require a lot of discussion: Whitespace on end of
 line is redundant in virtually any source file and will get automatically
 removed by many editors, especially if you change anything on the same
 line. The latter point makes working with EOL-containing files hard if you
 want to back out single changes (because the whitespace changes will
 stay).

 "make check" doesn't report anything it didn't report before (a lot of
 intltool complains).

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Ticket URL: <http://dev.sugarlabs.org/ticket/1109#comment:2>
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