[MacPorts] #29389: update wxWidgets-python to 2.8.12.0

[MacPorts]

#29389: update wxWidgets-python to 2.8.12.0
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 Reporter:  howarth@…                 |       Owner:  macports-tickets@…                   
     Type:  update                    |      Status:  new                                  
 Priority:  Normal                    |   Milestone:                                       
Component:  ports                     |     Version:  1.9.2                                
 Keywords:  graphics                  |        Port:  wxWidgets-python                     
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Comment(by jjstickel@…):

 This patch worked for me with the +gtk variant.  Tested with
 py26-matplotlib and py26-mayavi.

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Ticket URL: <https://trac.macports.org/ticket/29389#comment:3>
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