[MacPorts] #60364: Certbot Installation Error: Failed to build py37-zopeinterface: command execution failed

[MacPorts]

#60364: Certbot Installation  Error: Failed to build py37-zopeinterface: command
execution failed
--------------------------------------+---------------------
 Reporter:  bryancn                   |      Owner:  (none)
     Type:  defect                    |     Status:  new
 Priority:  Normal                    |  Milestone:
Component:  ports                     |    Version:  2.6.2
 Keywords:  python py37 zope certbot  |       Port:  certbot
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 On attempting to install Certbot on PPC/G5/10.5.8, fails with:

 Error: Failed to build py37-zopeinterface: command execution failed

 Log:
 :info:build ImportError: cannot import name 'Feature' from 'setuptools'
 (/opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7
 /site-packages/setuptools/__init__.py)


 Appears able to be resolved here:
 https://github.com/pypa/setuptools/issues/2017

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Ticket URL: <https://trac.macports.org/ticket/60364>
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