[MacPorts] #72036: libpsl: Avoid Python dependency by using system python3

[MacPorts]

#72036: libpsl: Avoid Python dependency by using system python3
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  Reporter:  ferdnyc      |      Owner:  (none)
      Type:  enhancement  |     Status:  new
  Priority:  Low          |  Milestone:
 Component:  ports        |    Version:
Resolution:               |   Keywords:
      Port:  libpsl       |
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Comment (by ryandesign):

 Replying to [ticket:72036 ferdnyc]:
 > it is compatible with every Python version going all the way back to
 Python 2.7.

 Not all supported macOS versions shipped with a python that new. On Mac OS
 X 10.6, for example, /usr/bin/python is 2.6.1.

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Ticket URL: <https://trac.macports.org/ticket/72036#comment:2>
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