Конфликт по python2_7

dev-python/pygments:0

(dev-python/pygments-2.6.1:0/0::gentoo, ebuild scheduled for merge) USE="-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 python3_7 (-pypy3) (-python3_8)" conflicts with
dev-python/pygments[python_targets_python2_7(-),python_targets_python3_6(-),python_targets_python3_7(-),-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] required by (dev-python/docutils-0.16:0/0::gentoo, ebuild scheduled for merge) USE="" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) (-python3_8)"


dev-python/webcolors:0

(dev-python/webcolors-1.11.1:0/0::gentoo, ebuild scheduled for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 python3_7(-pypy3) (-python3_8)" conflicts with
dev-python/webcolors[python_targets_python2_7(-),python_targets_python3_6(-),python_targets_python3_7(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-)] required by (dev-python/jsonschema-3.0.1:0/0::gentoo,ebuild scheduled for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7"

USE="-python_targets_python2_7"

P.S. Используйте форматирование во вставляемых блоках:
Снимок экрана_2020-05-27_13-44-07

Спасибо, только уточните: глобально или для конкретных пакетов?

Глобально флаги лучше не менять, если вы используете бинарный репозиторий.

Проблема ушла с обновлением. Остались вопросы по:
    emerge -v1p webcolors jsonschema

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild   R    ] dev-python/webcolors-1.10::gentoo  USE="-test" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) (-python3_8)" 0 KiB
[ebuild   R    ] dev-python/jsonschema-3.0.1::gentoo  USE="-test" PYTHON_TARGETS="python2_7 python3_6 python3_7" 0 KiB

Total: 2 packages (2 reinstalls), Size of downloads: 0 KiB

WARNING: One or more updates/rebuilds have been skipped due to a dependency conflict:

dev-python/webcolors:0

(dev-python/webcolors-1.11.1:0/0::gentoo, ebuild scheduled for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 python3_7 (-pypy3) (-python3_8)" conflicts with
dev-python/webcolors[python_targets_python2_7(-),python_targets_python3_6(-),python_targets_python3_7(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-)] required by (dev-python/jsonschema-3.0.1:0/0::gentoo, ebuild scheduled for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7"

и
    emerge -vp xorg-meta

These are the packages that would be merged, in order:

Calculating dependencies... done!

emerge: there are no ebuilds to satisfy "x11-apps/mkfontdir".
(dependency required by "app-misc/xorg-meta-7.4-r2::calculate" [ebuild])
(dependency required by "xorg-meta" [argument])

и
    emerge -vp nvidia-drivers

These are the packages that would be merged, in order:

Calculating dependencies... done!
[ebuild  N     ] acct-group/video-0::gentoo  0 KiB
[ebuild  N     ] dev-libs/jansson-2.11::gentoo  USE="-doc -static-libs" ABI_X86="(64) -32 (-x32)" 473 KiB
[ebuild  N     ] app-eselect/eselect-opencl-1.1.0-r4::gentoo  851 KiB
[ebuild  N     ] x11-drivers/nvidia-drivers-340.108:0/340::gentoo  USE="X multilib tools -static-libs" ABI_X86="32 (64) (-x32)" 70035 KiB
[blocks B      ] app-eselect/eselect-opencl ("app-eselect/eselect-opencl" is blocking dev-util/opencl-headers-2020.03.13-r1, dev-libs/ocl-icd-2.2.12-r3)

Total: 4 packages (4 new), Size of downloads: 71358 KiB
Conflict: 1 block (1 unsatisfied)

* Error: The above package list contains packages which cannot be
* installed at the same time on the same system.

(app-eselect/eselect-opencl-1.1.0-r4:0/0::gentoo, ebuild scheduled for merge) pulled in by
app-eselect/eselect-opencl required by (x11-drivers/nvidia-drivers-340.108:0/340::gentoo, ebuild scheduled for merge) USE="X multilib tools -static-libs" ABI_X86="32 (64) (-x32)"

(dev-libs/ocl-icd-2.2.12-r3:0/0::gentoo, installed) pulled in by
dev-libs/ocl-icd[khronos-headers,abi_x86_32(-)?,abi_x86_64(-)?,abi_x86_x32(-)?,abi_mips_n32(-)?,abi_mips_n64(-)?,abi_mips_o32(-)?,abi_riscv_lp64d(-)?,abi_riscv_lp64(-)?,abi_s390_32(-)?,abi_s390_64(-)?] (dev-libs/ocl-icd[khronos-headers,abi_x86_32(-),abi_x86_64(-)]) required by (media-libs/mesa-19.3.5:0/0::gentoo, installed) USE="X classic dri3 egl gallium gbm gles2 llvm lm-sensors opencl vaapi vdpau vulkan wayland xa xvmc -d3d9 -debug -gles1 -libglvnd -osmesa -pax_kernel (-selinux) -test -unwind -valgrind -vulkan-overlay" ABI_X86="32 (64) (-x32)" VIDEO_CARDS="i915 i965 intel nouveau r100 r200 r300 r600 radeon radeonsi (-freedreno) -iris (-lima) (-panfrost) (-vc4) -virgl (-vivante) -vmware"


For more information about Blocked Packages, please refer to the following
section of the Gentoo Linux x86 Handbook (architecture is irrelevant):

https://wiki.gentoo.org/wiki/Handbook:X86/Working/Portage#Blocked_packages

Результат обновления после удаления Python 3.6

dev-python/pycairo:0

(dev-python/pycairo-1.19.1:0/0::gentoo, ebuild scheduled for merge) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)" conflicts with
>=dev-python/pycairo-1.0.2[python_targets_python2_7(-),-python_single_target_python2_7(-)] required by (dev-python/pygtk-2.24.0-r5:2/2::gentoo, installed) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7"

>=dev-python/pycairo-1.0.2[python_targets_python2_7(-)] required by (media-gfx/gimp-2.10.18-r1:2/2::gentoo, installed) USE="alsa jpeg2k openexr postscript python udev webp wmf -aalib (-aqua) -debug -doc -gnome -heif -mng -test -unwind -vector-icons -xpm" ABI_X86="(64)" CPU_FLAGS_X86="mmx sse" PYTHON_SINGLE_TARGET="python2_7"

>=dev-python/pycairo-1.11.1[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)] required by (dev-python/pygobject-3.34.0:3/3::gentoo, installed) USE="cairo -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 -python3_6 (-python3_8) (-python3_9)"


dev-python/webcolors:0

(dev-python/webcolors-1.11.1:0/0::gentoo, ebuild scheduled for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)" conflicts with
dev-python/webcolors[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)] required by (dev-python/jsonschema-3.2.0:0/0::gentoo, installed) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 -python3_6 (-python3_8) (-python3_9)"


dev-python/zipp:0

(dev-python/zipp-3.1.0:0/0::gentoo, ebuild scheduled for merge) USE="-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8)" conflicts with
dev-python/zipp[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] required by (dev-python/importlib_metadata-1.4.0:0/0::gentoo, installed) USE="-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 (-pypy3) -python3_6 (-python3_8)"


dev-python/more-itertools:0

(dev-python/more-itertools-7.0.0:0/0::gentoo, ebuild scheduled for merge) USE="-doc" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)" conflicts with
dev-python/more-itertools[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-)] required by (dev-python/zipp-1.0.0:0/0::gentoo, installed) USE="-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 (-pypy3) -python3_6 (-python3_8)"


dev-python/pygments:0

(dev-python/pygments-2.6.1:0/0::gentoo, ebuild scheduled for merge) USE="-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)" conflicts with
dev-python/pygments[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_pypy3(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)] required by (dev-python/docutils-0.16:0/0::gentoo, installed) USE="" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)"

И что с этим делать?

После решения конфликта по firefox (см. Ошибка сборки firefox 77.0.1) остается следующая проблема с Gimp
dev-python/pycairo:0

(dev-python/pycairo-1.19.1:0/0::gentoo, ebuild scheduled for merge) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 (-python3_8) (-python3_9)" conflicts with
>=dev-python/pycairo-1.0.2[python_targets_python2_7(-)] required by (media-gfx/gimp-2.10.18-r1:2/2::gentoo, binary scheduled for merge) USE="alsa jpeg2k openexr postscript python udev webp wmf -aalib (-aqua) -debug -doc -gnome -heif -mng -test -unwind -vector-icons -xpm" ABI_X86="(64)" CPU_FLAGS_X86="mmx sse" PYTHON_SINGLE_TARGET="python2_7"

>=dev-python/pycairo-1.11.1[python_targets_python2_7(-),python_targets_python3_7(-),-python_single_target_python2_7(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)] required by (dev-python/pygobject-3.34.0:3/3::gentoo, binary scheduled for merge) USE="cairo -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_7 -python3_6 (-python3_8) (-python3_9)"

>=dev-python/pycairo-1.0.2[python_targets_python2_7(-),-python_single_target_python2_7(-)] required by (dev-python/pygtk-2.24.0-r5:2/2::gentoo, binary scheduled for merge) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7"