Replying to andrewfree:
:info:build PermissionError: [Errno 13] Permission denied: '/opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/x509-0.1-py3.7.egg/EGG-INFO/entry_points.txt'
Does the file /opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/x509-0.1-py3.7.egg/EGG-INFO/entry_points.txt exist?
If so, what are its permissions?
ls -l /opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/x509-0.1-py3.7.egg/EGG-INFO/entry_points.txt
and what port installed it?
port provides /opt/local/Library/Frameworks/Python.framework/Versions/3.7/lib/python3.7/site-packages/x509-0.1-py3.7.egg/EGG-INFO/entry_points.txt