In an update with several slot collisions (see attachment),  I'm
zero-ing in on the simplest, where a package is to be replaced by the
same package, but with different PYTHON_TARGETS (at least, that's how I
interpret it).

Is there a way to force the PYTHON_TARGETS of the dependency?

Slot collision:

dev-python/jinja:0

  (dev-python/jinja-2.11.2-r1:0/0::gentoo, ebuild scheduled for merge)
USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="*python3_8
python3_9 (-pypy3) -python3_6 -python3_7*" pulled in by
dev-python/jinja[python_targets_python3_9(-),python_single_target_python3_9(+)]
required by (sys-auth/pambase-20201103:0/0::gentoo, ebuild scheduled for
merge) USE="nullok passwdqc sha512 -caps -debug -elogind -gnome-keyring
-minimal -mktemp -pam_krb5 -pam_ssh -pwhistory -pwquality -securetty
(-selinux) -systemd" ABI_X86="(64)"


    dev-python/jinja (Argument)

  (dev-python/jinja-2.11.2-r1:0/0::gentoo, installed) USE="-doc
-examples -test" ABI_X86="(64)" PYTHON_TARGETS="*python3_7 (-pypy3)
-python3_6 -python3_8 -python3_9*" pulled in by
dev-python/jinja[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
required by (dev-python/sphinx-3.2.1:0/0::gentoo, installed) USE="-doc
-latex -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3)
-python3_6 -python3_8 -python3_9"

If the package was good enough before, it's likely still good enough. 
Where's the problem?  I've (unsuccessfully) made these attempts:

# */* PYTHON_TARGETS: python3_6 python3_7 python3_8 python3_9
#*/* PYTHON_TARGETS: -python3_6 -python3_7 python3_8 python3_9
# just have one set
*/* PYTHON_TARGETS: python3_8

The sphinx ebuild has no targets, but does have this:

PYTHON_COMPAT=( python3_{6..9} pypy3 )

The emerge command was:

sudo emerge --verbose=y -vuUD --verbose-conflicts  
dev-python/setuptools dev-python/setuptools_scm dev-python/certifi
dev-python/markupsafe dev-python/jinja dev-libs/libxml2


# vim: syntax=emerge-out

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

Calculating dependencies  
 * IMPORTANT: 9 news items need reading for repository 'gentoo'.
 * Use eselect news read to view new items.

 * See the CONFIGURATION FILES and CONFIGURATION FILES UPDATE TOOLS
 * sections of the emerge man page to learn how to update config files.
. .... done!
[ebuild     U  ] sys-libs/glibc-2.32-r2:2.2::gentoo [2.31-r6:2.2::gentoo] 
USE="(crypt) multiarch (multilib) ssp (static-libs) -audit -caps (-cet) 
-compile-locales -custom-cflags -doc -gd -headers-only -nscd -profile 
(-selinux) -static-pie -suid -systemtap -test (-vanilla)" 16369 KiB
[ebuild     U  ] sys-libs/timezone-data-2020d::gentoo [2020a::gentoo] USE="nls 
-leaps-timezone -zic-slim%" 647 KiB
[ebuild     U  ] sys-devel/gcc-config-2.3.2-r1::gentoo [2.3.2::gentoo] 
USE="(cc-wrappers%*) (native-symlinks)" 0 KiB
[ebuild     U  ] virtual/tmpfiles-0-r1::gentoo [0::gentoo] 0 KiB
[ebuild     U  ] dev-libs/mpc-1.2.1:0/3::gentoo [1.2.0:0/3::gentoo] 
USE="-static-libs" ABI_X86="(64) -32 (-x32)" 820 KiB
[ebuild     U  ] sys-libs/libseccomp-2.4.4::gentoo [2.4.3::gentoo] 
USE="-static-libs" ABI_X86="(64) -32 (-x32)" 591 KiB
[ebuild   R    ] sys-apps/file-5.39-r3::gentoo  USE="bzip2 seccomp zlib -lzma 
-python -static-libs" ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python3_8* 
python3_9* -python3_6 -python3_7*" 0 KiB
[ebuild   R    ] app-misc/pax-utils-1.2.6::gentoo  USE="seccomp -caps -debug 
-python" PYTHON_SINGLE_TARGET="python3_9%* -python3_6 -python3_7* -python3_8" 0 
KiB
[ebuild     U  ] sys-apps/sandbox-2.20::gentoo [2.18::gentoo] ABI_X86="(32) 
(64) (-x32)" 419 KiB
[ebuild     U  ] dev-libs/openssl-1.1.1i:0/1.1::gentoo [1.1.1g:0/1.1::gentoo] 
USE="asm zlib -bindist -rfc3779 -sctp -sslv3 -static-libs -test -tls-heartbeat 
-vanilla" ABI_X86="(64) -32 (-x32)" CPU_FLAGS_X86="(sse2)" 9579 KiB
[ebuild     U  ] sys-devel/automake-1.16.2-r1:1.16::gentoo 
[1.16.1-r1:1.16::gentoo] USE="-test" 1510 KiB
[ebuild     U  ] sys-libs/gdbm-1.18.1-r1:0/6::gentoo [1.18.1:0/6::gentoo] 
USE="berkdb nls readline -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild     U  ] sys-apps/attr-2.4.48-r4::gentoo [2.4.48-r3::gentoo] USE="nls 
(split-usr) -debug -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild     U  ] sys-apps/grep-3.5::gentoo [3.4::gentoo] USE="nls pcre -static" 
1550 KiB
[ebuild     U  ] dev-libs/popt-1.18::gentoo [1.16-r2::gentoo] USE="nls 
-static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild     U  ] sys-devel/bison-3.7.3::gentoo [3.7.1-r1::gentoo] USE="nls 
-examples -static -test" 2563 KiB
[ebuild     U  ] app-crypt/gnupg-2.2.20-r2::gentoo [2.2.20-r1::gentoo] 
USE="bzip2 nls readline smartcard ssl -doc -ldap (-selinux) -tofu -tools -usb 
-user-socket -wks-server" 0 KiB
[ebuild     U  ] sys-apps/acl-2.2.53-r1::gentoo [2.2.53::gentoo] USE="nls 
(split-usr) -static-libs" ABI_X86="(64) -32 (-x32)" 0 KiB
[ebuild     U  ] net-misc/rsync-3.2.3-r1::gentoo [3.2.3::gentoo] USE="acl iconv 
ipv6 ssl xattr -examples -libressl -lz4 -stunnel -system-zlib -xxhash -zstd 
(-static%)" CPU_FLAGS_X86="sse2" 0 KiB
[ebuild     U  ] app-crypt/gpgme-1.14.0:1/11::gentoo [1.13.0-r1:1/11::gentoo] 
USE="cxx -common-lisp -python -qt5 -static-libs" PYTHON_TARGETS="python3_8* 
python3_9%* -python3_6 -python3_7*" 1640 KiB
[ebuild     U  ] app-portage/portage-utils-0.90::gentoo [0.87::gentoo] USE="nls 
openmp qmanifest qtegrity -libressl -static" 1735 KiB
[ebuild     U  ] sys-libs/pam-1.5.1::gentoo [1.4.0_p20200829::gentoo] 
USE="berkdb filecaps pie (split-usr) -audit -debug -nis (-selinux)" 
ABI_X86="(64) -32 (-x32)" 1382 KiB
[ebuild   R    ] sys-apps/util-linux-2.35.2::gentoo  USE="cramfs logger ncurses 
nls pam readline (split-usr) static-libs suid unicode -audit -build -caps 
-cryptsetup -fdformat -hardlink -kill -python (-selinux) -slang -su -systemd 
-test -tty-helpers -udev" ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python3_8* 
-python3_6 -python3_7*" 0 KiB
[ebuild     U  ] dev-libs/libxml2-2.9.10-r4:2::gentoo [2.9.10-r3:2::gentoo] 
USE="ipv6 python readline -debug -examples -icu -lzma -static-libs -test" 
ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python3_8* python3_9* -python3_6 
-python3_7*" 0 KiB
[ebuild     U  ] dev-python/certifi-10001-r1::gentoo [10001::gentoo] 
USE="-test" PYTHON_TARGETS="python3_8* python3_9* (-pypy3) -python3_6* 
-python3_7* (-python2_7%*)" 0 KiB
[ebuild     U  ] dev-python/setuptools-50.3.0::gentoo [46.4.0-r3::gentoo] 
USE="-test" PYTHON_TARGETS="python3_8* python3_9* (-pypy3) -python3_6* 
-python3_7* (-python2_7%*)" 2119 KiB
[ebuild   R    ] dev-python/setuptools_scm-4.1.2-r1::gentoo  USE="-test" 
PYTHON_TARGETS="python3_8* python3_9* (-pypy3) -python3_6* -python3_7*" 0 KiB
[ebuild   R    ] dev-python/markupsafe-1.1.1-r1::gentoo  USE="-test" 
PYTHON_TARGETS="python3_8* python3_9* (-pypy3) -python3_6 -python3_7*" 0 KiB
[ebuild   R    ] dev-python/jinja-2.11.2-r1::gentoo  USE="-doc -examples -test" 
PYTHON_TARGETS="python3_8* python3_9* (-pypy3) -python3_6 -python3_7*" 0 KiB
[ebuild     U  ] sys-auth/pambase-20201103::gentoo [20201013::gentoo] 
USE="nullok passwdqc sha512 -caps -debug -elogind -gnome-keyring -minimal 
-mktemp -pam_krb5 -pam_ssh -pwhistory -pwquality -securetty (-selinux) 
-systemd" 4 KiB

Total: 30 packages (24 upgrades, 6 reinstalls), Size of downloads: 40920 KiB

!!! Multiple package instances within a single package slot have been pulled
!!! into the dependency graph, resulting in a slot conflict:

dev-python/setuptools:0

  (dev-python/setuptools-50.3.0:0/0::gentoo, ebuild scheduled for merge) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7" pulled in by
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/setuptools_scm-4.1.2-r1:0/0::gentoo, ebuild scheduled 
for merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 
(-pypy3) -python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                    
    dev-python/setuptools (Argument)
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/jinja-2.11.2-r1:0/0::gentoo, ebuild scheduled for 
merge) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 
python3_9 (-pypy3) -python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                           
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/markupsafe-1.1.1-r1:0/0::gentoo, ebuild scheduled for 
merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                

  (dev-python/setuptools-46.4.0-r3:0/0::gentoo, installed) USE="-test" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9" pulled in by
    
dev-python/setuptools[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/pycparser-2.20:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/chardet-3.0.4:0/0::gentoo, installed) USE="-test" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
             
    
>=dev-python/setuptools-42.0.2[python_targets_python2_7(-),-python_single_target_python2_7(-)]
 required by (dev-python/enum34-1.1.6-r1:0/0::gentoo, installed) USE="-doc" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7"
                                                                                
                                                                                
                                                        
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/idna-2.10:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
    
    
dev-python/setuptools[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/cryptography-2.9:0/0::gentoo, installed) USE="-idna 
-libressl -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                       
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/ply-3.11:0/3.11::gentoo, installed) USE="-examples" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
               
    
dev-python/setuptools[python_targets_python2_7(-),-python_single_target_python2_7(-)]
 required by (dev-python/enum34-1.1.6-r1:0/0::gentoo, installed) USE="-doc" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7"
                                                                                
                                                                                
                                               
    
>=dev-python/setuptools-42.0.2[python_targets_python2_7(-),-python_single_target_python2_7(-)]
 required by (dev-python/ipaddress-1.0.23:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7"
                                                                                
                                                                                
                                                     
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/urllib3-1.25.10:0/0::gentoo, installed) USE="-brotli 
-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                            
    
>=dev-python/setuptools-42.0.2[python_targets_python3_7(-),-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/pygments-2.7.0:0/0::gentoo, installed) USE="-doc 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                               
    
dev-python/setuptools[python_targets_python2_7(-),-python_single_target_python2_7(-)]
 required by (dev-python/ipaddress-1.0.23:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7"
                                                                                
                                                                                
                                            
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/cffi-1.14.0-r2:0/1.14.0::gentoo, installed) USE="-doc 
-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/cryptography-2.9:0/0::gentoo, installed) USE="-idna 
-libressl -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                
    
dev-python/setuptools[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/chardet-3.0.4:0/0::gentoo, installed) USE="-test" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
    
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/pycparser-2.20:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
         
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/six-1.15.0:0/0::gentoo, installed) USE="-doc -test" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
               
    
>=dev-python/setuptools-1.0[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/cryptography-2.9:0/0::gentoo, installed) USE="-idna 
-libressl -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                             
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/PySocks-1.7.1:0/0::gentoo, installed) USE="" 
ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
        
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/pyopenssl-19.1.0:0/0::gentoo, installed) USE="-doc 
-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                     
    
>=dev-python/setuptools-42.0.2[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/requests-2.24.0:0/0::gentoo, installed) USE="ssl 
-socks5 -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                           
    
>=dev-python/setuptools-42.0.2[python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-util/meson-0.55.3:0/0::gentoo, installed) USE="(-test)" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 -python3_6 -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                        
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/setuptools_scm-4.1.2-r1:0/0::gentoo, installed) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_6 python3_7 (-pypy3) 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                   
    
>=dev-python/setuptools-42.0.2[python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/rdflib-5.0.0:0/0::gentoo, installed) USE="berkdb 
-examples -sqlite -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 -python3_6 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                 
    
dev-python/setuptools[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/namespace-sphinxcontrib-1.0:0/0::gentoo, installed) 
USE="" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                          
    
dev-python/setuptools[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/Babel-2.8.0-r2:0/0::gentoo, installed) USE="-doc 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                       
    
>=dev-python/setuptools-42.0.2[python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-util/scons-4.0.1:0/0::gentoo, installed) USE="-doc -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 -python3_6 -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                          
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/Babel-2.8.0-r2:0/0::gentoo, installed) USE="-doc 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/markupsafe-1.1.1-r1:0/0::gentoo, installed) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/sphinx-3.2.1:0/0::gentoo, installed) USE="-doc -latex 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                     
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (app-portage/gemato-16.2:0/0::gentoo, installed) USE="gpg -test 
-tools" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                    
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/cython-0.29.21-r1:0/0::gentoo, installed) USE="-doc 
-emacs -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                          
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/jinja-2.11.2-r1:0/0::gentoo, installed) USE="-doc 
-examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                           
    
>=dev-python/setuptools-42.0.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/mako-1.1.3-r1:0/0::gentoo, installed) USE="-doc -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                               

dev-python/setuptools_scm:0

  (dev-python/setuptools_scm-4.1.2-r1:0/0::gentoo, ebuild scheduled for merge) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7" pulled in by
    dev-python/setuptools_scm (Argument)
    
dev-python/setuptools_scm[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/setuptools-50.3.0:0/0::gentoo, ebuild scheduled for 
merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                         

  (dev-python/setuptools_scm-4.1.2-r1:0/0::gentoo, installed) USE="-test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_6 python3_7 (-pypy3) -python3_8 
-python3_9" pulled in by
    
dev-python/setuptools_scm[python_targets_pypy3(-)?,-python_single_target_pypy3(-),python_targets_python3_6(-)?,-python_single_target_python3_6(-),python_targets_python3_7(-)?,-python_single_target_python3_7(-),python_targets_python3_8(-)?,-python_single_target_python3_8(-),python_targets_python3_9(-)?,-python_single_target_python3_9(-)]
 required by (dev-python/setuptools-46.4.0-r3:0/0::gentoo, installed) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                     

dev-python/certifi:0

  (dev-python/certifi-10001-r1:0/0::gentoo, ebuild scheduled for merge) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7" pulled in by
    
>=dev-python/certifi-2016.9.26[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/setuptools-50.3.0:0/0::gentoo, ebuild scheduled for 
merge) USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                              
    dev-python/certifi (Argument)

  (dev-python/certifi-10001:0/0::gentoo, installed) USE="-test" ABI_X86="(64)" 
PYTHON_TARGETS="python2_7 python3_6 python3_7 (-pypy3) -python3_8 -python3_9" 
pulled in by
    
dev-python/certifi[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/urllib3-1.25.10:0/0::gentoo, installed) USE="-brotli 
-doc -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                
    
>=dev-python/certifi-2017.4.17[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(-),-python_single_target_python3_9(-)]
 required by (dev-python/requests-2.24.0:0/0::gentoo, installed) USE="ssl 
-socks5 -test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                           
    
>=dev-python/certifi-2016.9.26[python_targets_pypy3(-)?,python_targets_python2_7(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-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/setuptools-46.4.0-r3:0/0::gentoo, installed) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python2_7 python3_6 python3_7 
(-pypy3) -python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                          

dev-python/markupsafe:0

  (dev-python/markupsafe-1.1.1-r1:0/0::gentoo, ebuild scheduled for merge) 
USE="-test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 (-pypy3) 
-python3_6 -python3_7" pulled in by
    dev-python/markupsafe (Argument)
    
dev-python/markupsafe[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/jinja-2.11.2-r1:0/0::gentoo, ebuild scheduled for 
merge) USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 
python3_9 (-pypy3) -python3_6 -python3_7"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                  

  (dev-python/markupsafe-1.1.1-r1:0/0::gentoo, installed) USE="-test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9" pulled in by
    
>=dev-python/markupsafe-0.9.2[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/mako-1.1.3-r1:0/0::gentoo, installed) USE="-doc -test" 
ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                              
    
dev-python/markupsafe[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/jinja-2.11.2-r1:0/0::gentoo, installed) USE="-doc 
-examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 
-python3_8 -python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                  

dev-python/jinja:0

  (dev-python/jinja-2.11.2-r1:0/0::gentoo, ebuild scheduled for merge) 
USE="-doc -examples -test" ABI_X86="(64)" PYTHON_TARGETS="python3_8 python3_9 
(-pypy3) -python3_6 -python3_7" pulled in by
    
dev-python/jinja[python_targets_python3_9(-),python_single_target_python3_9(+)] 
required by (sys-auth/pambase-20201103:0/0::gentoo, ebuild scheduled for merge) 
USE="nullok passwdqc sha512 -caps -debug -elogind -gnome-keyring -minimal 
-mktemp -pam_krb5 -pam_ssh -pwhistory -pwquality -securetty (-selinux) 
-systemd" ABI_X86="(64)"
                                                                                
                                                                                
                                                                                
                                                                                
              
    dev-python/jinja (Argument)

  (dev-python/jinja-2.11.2-r1:0/0::gentoo, installed) USE="-doc -examples 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9" pulled in by
    
dev-python/jinja[python_targets_pypy3(-)?,python_targets_python3_6(-)?,python_targets_python3_7(-)?,python_targets_python3_8(-)?,python_targets_python3_9(-)?,-python_single_target_pypy3(-),-python_single_target_python3_6(-),-python_single_target_python3_7(-),-python_single_target_python3_8(-),-python_single_target_python3_9(-)]
 required by (dev-python/sphinx-3.2.1:0/0::gentoo, installed) USE="-doc -latex 
-test" ABI_X86="(64)" PYTHON_TARGETS="python3_7 (-pypy3) -python3_6 -python3_8 
-python3_9"
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                                                                                
                       

dev-libs/libxml2:2

  (dev-libs/libxml2-2.9.10-r4:2/2::gentoo, ebuild scheduled for merge) 
USE="ipv6 python readline -debug -examples -icu -lzma -static-libs -test" 
ABI_X86="(64) -32 (-x32)" PYTHON_TARGETS="python3_8 python3_9 -python3_6 
-python3_7" pulled in by
    
dev-libs/libxml2[python,python_targets_python3_9(-),python_single_target_python3_9(+)]
 required by (app-doc/gimp-help-2.10.0-r1:2/2::gentoo, installed) USE="" 
ABI_X86="(64)"
                                                                                
                                                                                
                  
    dev-libs/libxml2 (Argument)

  (dev-libs/libxml2-2.9.10-r3:2/2::gentoo, installed) USE="ipv6 python readline 
-debug -examples -icu -lzma -static-libs -test" ABI_X86="(64) -32 (-x32)" 
PYTHON_TARGETS="python3_7 -python3_6 -python3_8 -python3_9" pulled in by
    dev-libs/libxml2[python,python_targets_python3_7(-)] required by 
(dev-util/itstool-2.0.6-r1:0/0::gentoo, installed) USE="" ABI_X86="(64)" 
PYTHON_SINGLE_TARGET="python3_7 -python3_6 -python3_8"
                                                                                
                                                                                
                                     


It may be possible to solve this problem by using package.mask to
prevent one of those packages from being selected. However, it is also
possible that conflicting dependencies exist such that they are
impossible to satisfy simultaneously.  If such a conflict exists in
the dependencies of two different packages, then those packages can
not be installed simultaneously. You may want to try a larger value of
the --backtrack option, such as --backtrack=30, in order to see if
that will solve this conflict automatically.

For more information, see MASKED PACKAGES section in the emerge man
page or refer to the Gentoo Handbook.


!!! The following installed packages are masked:
- dev-python/backports-1.0::gentoo (masked by: package.mask)
/var/db/repos/gentoo/profiles/package.mask:
# Michał Górny <mgo...@gentoo.org> (2020-12-03)
# Explicit namespace support was necessary for Python 2 only.  Empty
# directories work best for Python 3.
# Removal in 14 days.

- dev-vcs/subversion-1.14.0-r1::gentoo (masked by: Subversion license(s))
For more information, see the MASKED PACKAGES section in the emerge
man page or refer to the Gentoo Handbook.

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