[MacPorts] #62450: gobject-introspection: Switch to python 3.9

[MacPorts]

#62450: gobject-introspection: Switch to python 3.9
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  Reporter:  mf2k                   |      Owner:  dbevans
      Type:  enhancement            |     Status:  assigned
  Priority:  Normal                 |  Milestone:
 Component:  ports                  |    Version:
Resolution:                         |   Keywords:
      Port:  gobject-introspection  |
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Comment (by jmroot):

 In [changeset:"37be48da8b5e1ae57a09ffc3b489d7c2883cc136/macports-ports"
 37be48da8b5e1ae57a09ffc3b489d7c2883cc136/macports-ports] (master):
 {{{
 #!ConfigurableCommitTicketReference repository="macports-ports"
 revision="37be48da8b5e1ae57a09ffc3b489d7c2883cc136"
 py-setuptools: update to 54.1.2, bug fix

 Relax MACOSX_DEPLOYMENT_TARGET check to allow different minor versions.

 See: https://trac.macports.org/ticket/62473
 See: https://trac.macports.org/ticket/62450
 }}}

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Ticket URL: <https://trac.macports.org/ticket/62450#comment:3>
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