[MacPorts] #59901: Cannot install pallet in Catalina

[MacPorts]

#59901: Cannot install pallet in Catalina
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  Reporter:  jiajuwu  |      Owner:  (none)
      Type:  defect   |     Status:  new
  Priority:  Normal   |  Milestone:
 Component:  ports    |    Version:  2.6.2
Resolution:           |   Keywords:
      Port:           |
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Changes (by jiajuwu):

 * Attachment "截屏2019-12-3022.16.22.png" added.

 xcode version

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Ticket URL: <https://trac.macports.org/ticket/59901>
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