[MacPorts] #64579: py310-pyobjc @7.3_2 fails to build on MacOS 10.15

[MacPorts]

#64579: py310-pyobjc @7.3_2 fails to build on MacOS 10.15
------------------------+----------------------
  Reporter:  Gandoon    |      Owner:  danchr
      Type:  defect     |     Status:  assigned
  Priority:  Normal     |  Milestone:
 Component:  ports      |    Version:  2.7.1
Resolution:             |   Keywords:
      Port:  py-pyobjc  |
------------------------+----------------------

Comment (by mfacorcoran):

 py310-pyobjc also fails to build for me on macos 11.6.4, also apparently
 at the destroot stage.  From the log the errors seem to be

 {{{
 :info:destroot     import distutils.command.install_scripts as orig
 :info:destroot ImportError: cannot import name 'install_scripts' from
 'setuptools._distutils.command'
 (/opt/local/Library/Frameworks/Python.framework/Versions/3.10/lib/python3.10
 /site-packages/setuptools/_distutils/command/__init__.py)
 }}}

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Ticket URL: <https://trac.macports.org/ticket/64579#comment:5>
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