The annoying @#$!@#$ problem I've had the last few days is solved by
pip install setuptools==38.5.1
(or bin/pip install setuptools==38.5.1 depending on your setup)
It seems that setuptools 39.0.1 is messed up.
I had been getting this error running buildout:
$ bin/buildout
Develop: '/Users/kim/src/uwosh.oie.studyabroadstudent/.'
Updating _mr.developer.
Installing instance.
While:
Installing instance.
An internal error occurred due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
File "/Users/kim/src/uwosh.oie.studyabroadstudent/lib/python2.7/site-packages/zc/buildout/buildout.py", line 2127, in main
getattr(buildout, command)(args)
File "/Users/kim/src/uwosh.oie.studyabroadstudent/lib/python2.7/site-packages/zc/buildout/buildout.py", line 797, in install
installed_files = self[part]._call(recipe.install)
File "/Users/kim/src/uwosh.oie.studyabroadstudent/lib/python2.7/site-packages/zc/buildout/buildout.py", line 1557, in _call
return f()
File "/Users/kim/.buildout/eggs/plone.recipe.zope2instance-4.2.22-py2.7.egg/plone/recipe/zope2instance/__init__.py", line 95, in install
major, minor = parsed[0:2]
TypeError: 'Version' object has no attribute '__getitem__'
An internal error occurred due to a bug in either zc.buildout or in a
recipe being used:
Traceback (most recent call last):
File "/opt/plone5/buildoutvenv/local/lib/python2.7/site-packages/zc/buildout/buildout.py", line 1995, in main
getattr(buildout, command)(args)
File "/opt/plone5/buildoutvenv/local/lib/python2.7/site-packages/zc/buildout/buildout.py", line 666, in install
installed_files = self[part]._call(recipe.install)
File "/opt/plone5/buildoutvenv/local/lib/python2.7/site-packages/zc/buildout/buildout.py", line 1410, in _call
return f()
File "/opt/plone5/ploneconf.theme/eggs/plone.recipe.zope2instance-4.2.22-py2.7.egg/plone/recipe/zope2instance/init.py", line 95, in install
major, minor = parsed[0:2]
TypeError: 'Version' object has no attribute 'getitem'
(buildoutvenv)root@www:/opt/plone5/ploneconf.theme# ./bin/buildout
Upgraded:
setuptools version 24.3.0;
restarting.
Generated script '/opt/plone5/ploneconf.theme/bin/buildout'.
Upgraded:
setuptools version 24.3.0;
restarting.
Upgraded:
setuptools version 24.3.0;
restarting.
Upgraded:
setuptools version 24.3.0;
restarting.
Upgraded:
setuptools version 24.3.0;
restarting.
I can only interrupt with Ctrl-C because here is an endless loop.