Created attachment 386652 [details] dev-python:waitress-0.8.9:20141014-075827.log It looks like the package needs to be installed before it can be installed with USE=doc.
Yes, after installing with USE=-doc it succeeds in installing with USE=doc...
thx jer 18 Oct 2014; Ian Delaney <idella4@gentoo.org> waitress-0.8.9.ebuild: fix doc build, fixes Bug #525384