[MacPorts] #31434: Update py27-pyfits to 3.0.2

[MacPorts]

#31434: Update py27-pyfits to 3.0.2
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 Reporter:  marshall.perrin@…          |       Owner:  macports-tickets@…                   
     Type:  update                     |      Status:  new                                  
 Priority:  Normal                     |   Milestone:                                       
Component:  ports                      |     Version:  2.0.3                                
 Keywords:                             |        Port:  py27-pyfits                          
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 The attached portfile updated pyfits to the latest version, 3.0.2. Despite
 this being a bump of the major version number, I found that it installed
 flawlessly with only trivial updates to the Portfile.

 The other py*-pyfits portfile variants should be updated. In addition,
 pyfits 3 now compiles under Python 3, so new variants py31-pyfits etc
 could now be created.

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Ticket URL: <https://trac.macports.org/ticket/31434>
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