dev-python/python-daemon-2.0.3 doesn't play well with any(!) version of setuptools in the tree. Stepping back to dev-python/python-daemon-2.0.1 (or dev-python/python-daemon-2.0.2 which is not in the tree,yet, solves the problem) The problem is well known, see http://stackoverflow.com/questions/27972349/installing-latest-python-daemon-2-0-3-breaks-subsequent-pip-installs
purged from portage already