[MacPorts] #27919: Add flex variant to py26-biopython

[MacPorts]

#27919: Add flex variant to py26-biopython
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 Reporter:  michelle.lynn.gill@…          |       Owner:  macports-tickets@…                   
     Type:  enhancement                   |      Status:  new                                  
 Priority:  Normal                        |   Milestone:                                       
Component:  ports                         |     Version:  1.9.2                                
 Keywords:  python science                |        Port:  py26-biopython                       
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 Biopython does not install a portion of the mmCIF parser by default.
 Enabling the installation of this feature requires uncommenting a portion
 of the setup.py file. I have created a variant and patchfile that
 uncomments the appropriate section of setup.py and installs the required
 flex port.

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Ticket URL: <https://trac.macports.org/ticket/27919>
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