[MacPorts] #62212: spice-gtk: Meson build fails with "Python module six not found" with Python 3.9

[MacPorts]

#62212: spice-gtk: Meson build fails with "Python module six not found" with Python
3.9
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  Reporter:  rseichter  |      Owner:  danchr
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.6.4
Resolution:             |   Keywords:
      Port:  spice-gtk  |
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Changes (by rseichter):

 * Attachment "main.log" added.


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Ticket URL: <https://trac.macports.org/ticket/62212>
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