[MacPorts] #34293: py26-scrapy: unify and update to 0.15

[MacPorts]

#34293: py26-scrapy: unify and update to 0.15
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 Reporter:  deric@…             |       Owner:  perry@…           
     Type:  update              |      Status:  new               
 Priority:  Normal              |   Milestone:                    
Component:  ports               |     Version:  2.0.4             
 Keywords:                      |        Port:                    
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Ticket URL: <https://trac.macports.org/ticket/34293>
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