After python upgrade: emerge -a --deep --changed-use @world ... * Error: circular dependencies: (dev-python/six-1.11.0:0/0::gentoo, ebuild scheduled for merge) depends on (dev-python/setuptools-34.0.2-r1:0/0::gentoo, ebuild scheduled for merge) (buildtime) (dev-python/six-1.11.0:0/0::gentoo, ebuild scheduled for merge) (buildtime)
Closing since this isn't an issue anymore with recent versions as upstream setuptools has rebundled things.