[MacPorts] #51926: pyfa: update to use python 2.7

[MacPorts]

#51926: pyfa: update to use python 2.7
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  Reporter:  petr@…       |      Owner:  yacoob@…
      Type:  enhancement  |     Status:  new
  Priority:  Normal       |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  pyfa         |
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Comment (by mf2k@…):

 Thank you for letting us know and for being a maintainer. We can remove
 you as maintainer.

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Ticket URL: <https://trac.macports.org/ticket/51926#comment:3>
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