[MacPorts] #34641: py-cython: add py33 subport

[MacPorts]

#34641: py-cython: add py33 subport
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 Reporter:  deric@…             |       Owner:  akitada@…           
     Type:  enhancement         |      Status:  new                 
 Priority:  Normal              |   Milestone:                      
Component:  ports               |     Version:  2.1.1               
 Keywords:                      |        Port:  py-cython           
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Ticket URL: <https://trac.macports.org/ticket/34641>
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