I emerge python3.4 set as active: eselect python list Available Python interpreters: [1] python2.7 [2] python3.3 [3] python3.4 *
but it still complain [ebuild U ] sys-apps/portage-2.2.20.1 [2.2.14] PYTHON_TARGETS="python3_4* -python3_3*" !!! Multiple package instances within a single package slot have been pulled !!! into the dependency graph, resulting in a slot conflict: sys-apps/portage:0 (sys-apps/portage-2.2.20.1:0/0::gentoo, ebuild scheduled for merge) pulled in by sys-apps/portage (Argument) (sys-apps/portage-2.2.14:0/0::gentoo, installed) pulled in by sys-apps/portage[python_targets_python2_7(-)?,python_targets_python3_3(-)?,-python_single_target_python2_7(-),-python_single_target_python3_3(-)] required by (app-admin/webapp-config-1.52-r1:0/0::gentoo, installed) sys-apps/portage[python_targets_python2_7(-)?,python_targets_python3_3(-)?,python_targets_python3_4(-)?,python_targets_pypy(-)?,-python_single_target_python2_7(-),-python_single_target_python3_3(-),-python_single_target_python3_4(-),-python_single_target_pypy(-)] required by (app-portage/gentoolkit-0.3.0.9-r2:0/0::gentoo, installed) What is it looking for?