Hallo, can help me for my problem:
→ Processing Conflict: python3-devel-3.6.8-18.el7.x86_64 conflicts python3 < 3 .6.8-18.el7
→ Finished Dependency Resolution
→ Running transaction check
—> Package kernel.x86_64 0:3.10.0-957.1.3.el7 will be erased
—> Package python3-devel.x86_64 0:3.6.8-13.el7 will be updated
—> Package python3-devel.x86_64 0:3.6.8-13.el7 will be updated
→ Processing Conflict: python3-devel-3.6.8-18.el7.x86_64 conflicts python3 < 3 .6.8-18.el7
→ Finished Dependency Resolution
Error: python3-devel conflicts with python3-3.6.8-13.el7.x86_64
You could try using --skip-broken to work around the problem
** Found 170 pre-existing rpmdb problem(s), ‘yum check’ output follows:
MariaDB-client-10.5.8-1.el7.centos.x86_64 is a duplicate with MariaDB-client-10. 5.6-1.el7.centos.x86_64
MariaDB-common-10.5.8-1.el7.centos.x86_64 is a duplicate with MariaDB-common-10. 5.6-1.el7.centos.x86_64
MariaDB-compat-10.5.8-1.el7.centos.x86_64 is a duplicate with MariaDB-compat-10. 5.6-1.el7.centos.x86_64
OpenEXR-libs-1.7.1-8.el7.x86_64 is a duplicate with OpenEXR-libs-1.7.1-7.el7.x86 _64
acl-2.2.51-15.el7.x86_64 is a duplicate with acl-2.2.51-14.el7.x86_64
apr-1.4.8-7.el7.x86_64 is a duplicate with apr-1.4.8-5.el7.x86_64
avahi-libs-0.6.31-20.el7.x86_64 is a duplicate with avahi-libs-0.6.31-19.el7.x86 _64
bash-4.2.46-34.el7.x86_64 is a duplicate with bash-4.2.46-33.el7.x86_64
32:bind-export-libs-9.11.4-26.P2.el7_9.3.x86_64 is a duplicate with 32:bind-expo rt-libs-9.11.4-16.P2.el7_8.6.x86_64
32:bind-libs-9.11.4-26.P2.el7_9.3.x86_64 is a duplicate with 32:bind-libs-9.11.4 -16.P2.el7_8.6.x86_64
32:bind-libs-lite-9.11.4-26.P2.el7_9.3.x86_64 is a duplicate with 32:bind-libs-l ite-9.11.4-16.P2.el7_8.6.x86_64
32:bind-license-9.11.4-26.P2.el7_9.3.noarch is a duplicate with 32:bind-license- 9.11.4-16.P2.el7_8.6.noarch
binutils-2.27-43.base.el7_8.1.x86_64 is a duplicate with binutils-2.27-41.base.e l7_7.3.x86_64
binutils-2.27-44.base.el7.x86_64 is a duplicate with binutils-2.27-43.base.el7_8 .1.x86_64
boost-program-options-1.53.0-28.el7.x86_64 is a duplicate with boost-program-opt ions-1.53.0-27.el7.x86_64
centos-release-7-8.2003.0.el7.centos.x86_64 is a duplicate with centos-release-7 -7.1908.0.el7.centos.x86_64
centos-release-7-9.2009.1.el7.centos.x86_64 is a duplicate with centos-release-7 -8.2003.0.el7.centos.x86_64
chkconfig-1.7.6-1.el7.x86_64 is a duplicate with chkconfig-1.7.4-1.el7.x86_64
coreutils-8.22-24.el7_9.2.x86_64 is a duplicate with coreutils-8.22-24.el7.x86_6 4
cpio-2.11-28.el7.x86_64 is a duplicate with cpio-2.11-27.el7.x86_64
1:cups-libs-1.6.3-51.el7.x86_64 is a duplicate with 1:cups-libs-1.6.3-43.el7.x86 _64
1:dbus-1.10.24-15.el7.x86_64 is a duplicate with 1:dbus-1.10.24-14.el7_8.x86_64
1:dbus-libs-1.10.24-15.el7.x86_64 is a duplicate with 1:dbus-libs-1.10.24-14.el7 _8.x86_64
12:dhcp-common-4.2.5-82.el7.centos.x86_64 is a duplicate with 12:dhcp-common-4.2 .5-79.el7.centos.x86_64
12:dhcp-libs-4.2.5-82.el7.centos.x86_64 is a duplicate with 12:dhcp-libs-4.2.5-7 9.el7.centos.x86_64
e2fsprogs-libs-1.42.9-17.el7.x86_64 is a duplicate with e2fsprogs-libs-1.42.9-16 .el7.x86_64
elfutils-0.176-5.el7.x86_64 is a duplicate with elfutils-0.176-4.el7.x86_64
elfutils-default-yama-scope-0.176-5.el7.noarch is a duplicate with elfutils-defa ult-yama-scope-0.176-4.el7.noarch
elfutils-libelf-0.176-4.el7.x86_64 is a duplicate with elfutils-libelf-0.176-2.e l7.x86_64
elfutils-libelf-0.176-5.el7.x86_64 is a duplicate with elfutils-libelf-0.176-4.e l7.x86_64
elfutils-libs-0.176-5.el7.x86_64 is a duplicate with elfutils-libs-0.176-4.el7.x 86_64
expat-2.1.0-11.el7.x86_64 is a duplicate with expat-2.1.0-10.el7_3.x86_64
expat-2.1.0-12.el7.x86_64 is a duplicate with expat-2.1.0-11.el7.x86_64
file-5.11-36.el7.x86_64 is a duplicate with file-5.11-35.el7.x86_64
file-5.11-37.el7.x86_64 is a duplicate with file-5.11-36.el7.x86_64
file-libs-5.11-36.el7.x86_64 is a duplicate with file-libs-5.11-35.el7.x86_64
file-libs-5.11-37.el7.x86_64 is a duplicate with file-libs-5.11-36.el7.x86_64
firewalld-filesystem-0.6.3-8.el7_8.1.noarch is a duplicate with firewalld-filesy stem-0.6.3-2.el7_7.4.noarch
freetype-2.8-14.el7_9.1.x86_64 is a duplicate with freetype-2.8-14.el7.x86_64
galera-4-26.4.6-1.el7.centos.x86_64 is a duplicate with galera-4-26.4.5-1.el7.ce ntos.x86_64
gdb-7.6.1-119.el7.x86_64 is a duplicate with gdb-7.6.1-115.el7.x86_64
gdb-7.6.1-120.el7.x86_64 is a duplicate with gdb-7.6.1-119.el7.x86_64
gettext-0.19.8.1-3.el7.x86_64 is a duplicate with gettext-0.19.8.1-2.el7.x86_64
gettext-common-devel-0.19.8.1-3.el7.noarch is a duplicate with gettext-common-de vel-0.19.8.1-2.el7.noarch
gettext-libs-0.19.8.1-3.el7.x86_64 is a duplicate with gettext-libs-0.19.8.1-2.e l7.x86_64
glib2-2.56.1-8.el7.x86_64 is a duplicate with glib2-2.56.1-5.el7.x86_64
glibc-2.17-307.el7.1.x86_64 is a duplicate with glibc-2.17-292.el7.x86_64
glibc-2.17-317.el7.x86_64 is a duplicate with glibc-2.17-307.el7.1.x86_64
glibc-common-2.17-307.el7.1.x86_64 is a duplicate with glibc-common-2.17-292.el7 .x86_64
glibc-common-2.17-317.el7.x86_64 is a duplicate with glibc-common-2.17-307.el7.1 .x86_64
glibc-devel-2.17-307.el7.1.x86_64 is a duplicate with glibc-devel-2.17-292.el7.x 86_64
glibc-headers-2.17-307.el7.1.x86_64 is a duplicate with glibc-headers-2.17-292.e l7.x86_64
gssproxy-0.7.0-29.el7.x86_64 is a duplicate with gssproxy-0.7.0-28.el7.x86_64
hwdata-0.252-9.7.el7.x86_64 is a duplicate with hwdata-0.252-9.5.el7.x86_64
iproute-4.11.0-30.el7.x86_64 is a duplicate with iproute-4.11.0-25.el7_7.2.x86_6 4
iptables-1.4.21-35.el7.x86_64 is a duplicate with iptables-1.4.21-34.el7.x86_64
kernel-debug-devel-3.10.0-1160.11.1.el7.x86_64 is a duplicate with kernel-debug- devel-3.10.0-1127.19.1.el7.x86_64
kmod-libs-20-28.el7.x86_64 is a duplicate with kmod-libs-20-25.el7_7.1.x86_64
krb5-libs-1.15.1-46.el7.x86_64 is a duplicate with krb5-libs-1.15.1-37.el7_7.2.x 86_64
krb5-libs-1.15.1-50.el7.x86_64 is a duplicate with krb5-libs-1.15.1-46.el7.x86_6 4
libX11-1.6.7-3.el7_9.x86_64 is a duplicate with libX11-1.6.7-2.el7.x86_64
libX11-common-1.6.7-3.el7_9.noarch is a duplicate with libX11-common-1.6.7-2.el7 .noarch
libacl-2.2.51-15.el7.x86_64 is a duplicate with libacl-2.2.51-14.el7.x86_64
libblkid-2.23.2-63.el7.x86_64 is a duplicate with libblkid-2.23.2-61.el7_7.1.x86 _64
libblkid-2.23.2-65.el7.x86_64 is a duplicate with libblkid-2.23.2-63.el7.x86_64
libcap-2.22-11.el7.x86_64 is a duplicate with libcap-2.22-10.el7.x86_64
libcom_err-1.42.9-17.el7.x86_64 is a duplicate with libcom_err-1.42.9-16.el7.x86 _64
libcom_err-1.42.9-19.el7.x86_64 is a duplicate with libcom_err-1.42.9-17.el7.x86 _64
libcom_err-devel-1.42.9-17.el7.x86_64 is a duplicate with libcom_err-devel-1.42. 9-16.el7.x86_64
libffi-3.0.13-19.el7.x86_64 is a duplicate with libffi-3.0.13-18.el7.x86_64
libgcc-4.8.5-44.el7.x86_64 is a duplicate with libgcc-4.8.5-39.el7.x86_64
libgfortran-4.8.5-44.el7.x86_64 is a duplicate with libgfortran-4.8.5-39.el7.x86 _64
libgomp-4.8.5-44.el7.x86_64 is a duplicate with libgomp-4.8.5-39.el7.x86_64
libkadm5-1.15.1-46.el7.x86_64 is a duplicate with libkadm5-1.15.1-37.el7_7.2.x86 _64
libkadm5-1.15.1-50.el7.x86_64 is a duplicate with libkadm5-1.15.1-46.el7.x86_64
libmount-2.23.2-63.el7.x86_64 is a duplicate with libmount-2.23.2-61.el7_7.1.x86 _64
libmount-2.23.2-65.el7.x86_64 is a duplicate with libmount-2.23.2-63.el7.x86_64
2:libpng-1.5.13-8.el7.x86_64 is a duplicate with 2:libpng-1.5.13-7.el7_2.x86_64
libquadmath-4.8.5-44.el7.x86_64 is a duplicate with libquadmath-4.8.5-39.el7.x86 _64
libselinux-2.5-15.el7.x86_64 is a duplicate with libselinux-2.5-14.1.el7.x86_64
libselinux-devel-2.5-15.el7.x86_64 is a duplicate with libselinux-devel-2.5-14.1 .el7.x86_64
libselinux-python-2.5-15.el7.x86_64 is a duplicate with libselinux-python-2.5-14 .1.el7.x86_64
libselinux-utils-2.5-15.el7.x86_64 is a duplicate with libselinux-utils-2.5-14.1 .el7.x86_64
libss-1.42.9-17.el7.x86_64 is a duplicate with libss-1.42.9-16.el7.x86_64
libstdc+±4.8.5-44.el7.x86_64 is a duplicate with libstdc+±4.8.5-39.el7.x86_64
libtiff-4.0.3-35.el7.x86_64 is a duplicate with libtiff-4.0.3-32.el7.x86_64
libuuid-2.23.2-63.el7.x86_64 is a duplicate with libuuid-2.23.2-61.el7_7.1.x86_6 4
libuuid-2.23.2-65.el7.x86_64 is a duplicate with libuuid-2.23.2-63.el7.x86_64
libxml2-2.9.1-6.el7.4.x86_64 is a duplicate with libxml2-2.9.1-6.el7_2.3.x86_64
libxml2-2.9.1-6.el7.5.x86_64 is a duplicate with libxml2-2.9.1-6.el7.4.x86_64
libxml2-python-2.9.1-6.el7.4.x86_64 is a duplicate with libxml2-python-2.9.1-6.e l7_2.3.x86_64
libxslt-1.1.28-6.el7.x86_64 is a duplicate with libxslt-1.1.28-5.el7.x86_64
linux-firmware-20200421-79.git78c0348.el7.noarch is a duplicate with linux-firmw are-20191203-76.gite8a0f4c.el7.noarch
logrotate-3.8.6-19.el7.x86_64 is a duplicate with logrotate-3.8.6-17.el7.x86_64
lsphp73-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-7.3.23-1.el7.x86_64
lsphp73-common-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-common-7.3.23-1.e l7.x86_64
lsphp73-gd-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-gd-7.3.23-1.el7.x86_6 4
lsphp73-imap-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-imap-7.3.23-1.el7.x 86_64
lsphp73-json-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-json-7.3.23-1.el7.x 86_64
lsphp73-mbstring-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-mbstring-7.3.23 -1.el7.x86_64
lsphp73-mysqlnd-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-mysqlnd-7.3.23-1 .el7.x86_64
lsphp73-pdo-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-pdo-7.3.23-1.el7.x86 _64
lsphp73-process-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-process-7.3.23-1 .el7.x86_64
lsphp73-xml-7.3.25-1.el7.x86_64 is a duplicate with lsphp73-xml-7.3.23-1.el7.x86 _64
lsphp74-common-7.4.13-1.el7.x86_64 is a duplicate with lsphp74-common-7.4.11-1.e l7.x86_64
lsphp74-pdo-7.4.13-1.el7.x86_64 is a duplicate with lsphp74-pdo-7.4.11-1.el7.x86 64
lz4-1.8.3-1.el7.x86_64 is a duplicate with lz4-1.7.5-3.el7.x86_64
mesa-libgbm-18.3.4-12.el7_9.x86_64 is a duplicate with mesa-libgbm-18.3.4-7.el7 8.1.x86_64
mesa-libglapi-18.3.4-12.el7_9.x86_64 is a duplicate with mesa-libglapi-18.3.4-7. el7_8.1.x86_64
1:net-snmp-agent-libs-5.7.2-49.el7.x86_64 is a duplicate with 1:net-snmp-agent-l ibs-5.7.2-48.el7_8.1.x86_64
1:net-snmp-libs-5.7.2-49.el7.x86_64 is a duplicate with 1:net-snmp-libs-5.7.2-48 .el7_8.1.x86_64
nspr-4.25.0-2.el7_9.x86_64 is a duplicate with nspr-4.21.0-1.el7.x86_64
nspr-devel-4.25.0-2.el7_9.x86_64 is a duplicate with nspr-devel-4.21.0-1.el7.x86 _64
nss-3.53.1-3.el7_9.x86_64 is a duplicate with nss-3.44.0-7.el7_7.x86_64
nss-softokn-3.53.1-6.el7_9.x86_64 is a duplicate with nss-softokn-3.44.0-8.el7_7 .x86_64
nss-softokn-freebl-3.53.1-6.el7_9.x86_64 is a duplicate with nss-softokn-freebl- 3.44.0-8.el7_7.x86_64
nss-sysinit-3.53.1-3.el7_9.x86_64 is a duplicate with nss-sysinit-3.44.0-7.el7_7 .x86_64
nss-tools-3.53.1-3.el7_9.x86_64 is a duplicate with nss-tools-3.44.0-7.el7_7.x86 _64
nss-util-3.53.1-1.el7_9.x86_64 is a duplicate with nss-util-3.44.0-4.el7_7.x86_6 4
nss-util-devel-3.53.1-1.el7_9.x86_64 is a duplicate with nss-util-devel-3.44.0-4 .el7_7.x86_64
openldap-2.4.44-22.el7.x86_64 is a duplicate with openldap-2.4.44-21.el7_6.x86_6 4
openlitespeed-1.6.18-1.el7.x86_64 is a duplicate with openlitespeed-1.6.16-1.el7 .x86_64
1:openssl-1.0.2k-21.el7_9.x86_64 is a duplicate with 1:openssl-1.0.2k-19.el7.x86 _64
1:openssl-libs-1.0.2k-21.el7_9.x86_64 is a duplicate with 1:openssl-libs-1.0.2k- 19.el7.x86_64
pam-1.1.8-23.el7.x86_64 is a duplicate with pam-1.1.8-22.el7.x86_64
4:perl-5.16.3-295.el7.x86_64 is a duplicate with 4:perl-5.16.3-294.el7_6.x86_64
4:perl-5.16.3-297.el7.x86_64 is a duplicate with 4:perl-5.16.3-295.el7.x86_64
1:perl-IO-Zlib-1.10-297.el7.noarch is a duplicate with 1:perl-IO-Zlib-1.10-295.e l7.noarch
perl-Socket-2.010-5.el7.x86_64 is a duplicate with perl-Socket-2.010-4.el7.x86_6 4
4:perl-libs-5.16.3-295.el7.x86_64 is a duplicate with 4:perl-libs-5.16.3-294.el7 _6.x86_64
4:perl-libs-5.16.3-297.el7.x86_64 is a duplicate with 4:perl-libs-5.16.3-295.el7 .x86_64
4:perl-macros-5.16.3-295.el7.x86_64 is a duplicate with 4:perl-macros-5.16.3-294 .el7_6.x86_64
4:perl-macros-5.16.3-297.el7.x86_64 is a duplicate with 4:perl-macros-5.16.3-295 .el7.x86_64
postgresql-libs-9.2.24-4.el7_8.x86_64 is a duplicate with postgresql-libs-9.2.24 -2.el7_7.x86_64
procps-ng-3.3.10-28.el7.x86_64 is a duplicate with procps-ng-3.3.10-27.el7.x86_6 4
python-2.7.5-90.el7.x86_64 is a duplicate with python-2.7.5-88.el7.x86_64
python-firewall-0.6.3-8.el7_8.1.noarch is a duplicate with python-firewall-0.6.3 -2.el7_7.4.noarch
python-firewall-0.6.3-12.el7.noarch is a duplicate with python-firewall-0.6.3-8. el7_8.1.noarch
python-libs-2.7.5-88.el7.x86_64 is a duplicate with python-libs-2.7.5-86.el7.x86 _64
python-libs-2.7.5-90.el7.x86_64 is a duplicate with python-libs-2.7.5-88.el7.x86 _64
python-perf-3.10.0-1160.11.1.el7.x86_64 is a duplicate with python-perf-3.10.0-1 127.19.1.el7.x86_64
python-urlgrabber-3.10-10.el7.noarch is a duplicate with python-urlgrabber-3.10- 9.el7.noarch
python3-3.6.8-18.el7.x86_64 is a duplicate with python3-3.6.8-13.el7.x86_64
python3-libs-3.6.8-13.el7.x86_64 is a duplicate with python3-libs-3.6.8-10.el7.x 86_64
python3-libs-3.6.8-18.el7.x86_64 is a duplicate with python3-libs-3.6.8-13.el7.x 86_64
python3-pip-9.0.3-8.el7.noarch is a duplicate with python3-pip-9.0.3-7.el7_7.noa rch
rcs-5.9.0-7.el7.x86_64 is a duplicate with rcs-5.9.0-5.el7.x86_64
rpm-4.11.3-43.el7.x86_64 is a duplicate with rpm-4.11.3-40.el7.x86_64
rpm-4.11.3-45.el7.x86_64 is a duplicate with rpm-4.11.3-43.el7.x86_64
rpm-build-libs-4.11.3-43.el7.x86_64 is a duplicate with rpm-build-libs-4.11.3-40 .el7.x86_64
rpm-build-libs-4.11.3-45.el7.x86_64 is a duplicate with rpm-build-libs-4.11.3-43 .el7.x86_64
rpm-libs-4.11.3-43.el7.x86_64 is a duplicate with rpm-libs-4.11.3-40.el7.x86_64
rpm-libs-4.11.3-45.el7.x86_64 is a duplicate with rpm-libs-4.11.3-43.el7.x86_64
rpm-python-4.11.3-43.el7.x86_64 is a duplicate with rpm-python-4.11.3-40.el7.x86 _64
rpm-python-4.11.3-45.el7.x86_64 is a duplicate with rpm-python-4.11.3-43.el7.x86 _64
sed-4.2.2-6.el7.x86_64 is a duplicate with sed-4.2.2-5.el7.x86_64
sed-4.2.2-7.el7.x86_64 is a duplicate with sed-4.2.2-6.el7.x86_64
selinux-policy-3.13.1-268.el7_9.2.noarch is a duplicate with selinux-policy-3.13 .1-266.el7_8.1.noarch
setup-2.8.71-11.el7.noarch is a duplicate with setup-2.8.71-10.el7.noarch
subversion-libs-1.7.14-16.el7.x86_64 is a duplicate with subversion-libs-1.7.14- 14.el7.x86_64
systemd-219-78.el7_9.2.x86_64 is a duplicate with systemd-219-73.el7_8.9.x86_64
systemd-libs-219-78.el7_9.2.x86_64 is a duplicate with systemd-libs-219-73.el7_8 .9.x86_64
systemd-sysv-219-78.el7_9.2.x86_64 is a duplicate with systemd-sysv-219-73.el7_8 .9.x86_64
systemtap-sdt-devel-4.0-11.el7.x86_64 is a duplicate with systemtap-sdt-devel-4. 0-10.el7_7.x86_64
systemtap-sdt-devel-4.0-13.el7.x86_64 is a duplicate with systemtap-sdt-devel-4. 0-11.el7.x86_64
tzdata-2020a-1.el7.noarch is a duplicate with tzdata-2019c-1.el7.noarch
tzdata-2020d-2.el7.noarch is a duplicate with tzdata-2020a-1.el7.noarch
unzip-6.0-21.el7.x86_64 is a duplicate with unzip-6.0-20.el7.x86_64
yum-3.4.3-167.el7.centos.noarch is a duplicate with yum-3.4.3-163.el7.centos.noa rch
yum-plugin-fastestmirror-1.1.31-54.el7_8.noarch is a duplicate with yum-plugin-f astestmirror-1.1.31-52.el7.noarch