python36u update replacement conflict with python 3.6 EPEL

[jx759]

I am unable to update python36u due to a large number of transaction check errors - and it looks like my IUS Python 3.6 is being replaced with EPEL Python 3.6:

 python3                                          x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-7                                   69 k
     replacing  python36u.x86_64 3.6.8-1.el7.ius

Please note that I have not requested to install the EPEL version of python36.

This "update/replacement" has shown up on its own.

I'm not sure if this is related to #8

Can I keep my IUS Python 3.6 and avoid this replacement?

I'm experiencing this on RH7 and CentOS7.

See below for additional CLI output.

=========

The cli output below is from an RH7 server - however I am running into this issue on both RedHat 7 and CentOS 7 servers.

[root@gw yum.repos.d]# cat /etc/redhat-release
Red Hat Enterprise Linux Server release 7.7 (Maipo)
[root@gw yum.repos.d]# yum -q repolist
repo id                                                                     repo name                                                                                               status
epel/x86_64                                                                 Extra Packages for Enterprise Linux 7 - x86_64                                                          13,416
ius/x86_64                                                                  IUS for Enterprise Linux 7 - x86_64                                                                        538
packages-microsoft-com-prod                                                 packages-microsoft-com-prod                                                                                416
rhel-x86_64-server-7                                                        Red Hat Enterprise Linux Server (v. 7 for 64-bit x86_64)                                                26,498
rhel-x86_64-server-optional-7                                               RHEL Server Optional (v. 7 64-bit x86_64)                                                               19,355

note that this server is using the new ius-release per iusrepo/infrastructure#14

yum update shows Python packages that will be replaced:

==========================================================================================================================================================================================
 Package                                          Arch                           Version                                      Repository                                             Size
==========================================================================================================================================================================================
Installing:
 kernel                                           x86_64                         3.10.0-1062.4.1.el7                          rhel-x86_64-server-7                                   50 M
 python3                                          x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-7                                   69 k
     replacing  python36u.x86_64 3.6.8-1.el7.ius
 python3-devel                                    x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-optional-7                         215 k
     replacing  python36u-devel.x86_64 3.6.8-1.el7.ius
 python3-idle                                     x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-optional-7                         778 k
     replacing  python36u-tools.x86_64 3.6.8-1.el7.ius
 python3-libs                                     x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-7                                  7.0 M
     replacing  python36u-libs.x86_64 3.6.8-1.el7.ius
 python3-pip                                      noarch                         9.0.3-5.el7                                  rhel-x86_64-server-7                                  1.8 M
     replacing  python36u-pip.noarch 9.0.1-1.ius.centos7
 python3-setuptools                               noarch                         39.2.0-10.el7                                rhel-x86_64-server-7                                  629 k
     replacing  python36u-setuptools.noarch 39.0.1-1.ius.centos7
 python3-tkinter                                  x86_64                         3.6.8-10.el7                                 rhel-x86_64-server-optional-7                         364 k
     replacing  python36u-tkinter.x86_64 3.6.8-1.el7.ius

Pressing "y" to continue, the update proceeds to the "Running transaction test" phase at which point I receive an error dump and the update terminates.

The first few lines of the transaction error dump:

Transaction check error:
  file /usr/bin/pip3.6 from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/share/bash-completion/completions/pip3.6 from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/lib/python3.6/site-packages/pip/__init__.py from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/lib/python3.6/site-packages/pip/_vendor/requests/__init__.py from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/lib/python3.6/site-packages/pip/utils/__init__.py from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/lib/python3.6/site-packages/pip/__pycache__/__init__.cpython-36.opt-1.pyc from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch
  file /usr/lib/python3.6/site-packages/pip/_vendor/__pycache__/__init__.cpython-36.opt-1.pyc from install of python3-pip-9.0.3-5.el7.noarch conflicts with file from package python36u-pip-9.0.1-1.ius.centos7.noarch

There are probably hundreds of lines of pip related conflict errors.

pip was installed from ius:

[root@gw yum.repos.d]# pip3.6 -V
pip 9.0.1 from /usr/lib/python3.6/site-packages (python 3.6)
[root@gw yum.repos.d]# yum info python36u-pip
Loaded plugins: product-id, rhnplugin, search-disabled-repos, subscription-manager
This system is receiving updates from RHN Classic or Red Hat Satellite.
Installed Packages
Name        : python36u-pip
Arch        : noarch
Version     : 9.0.1
Release     : 1.ius.centos7
Size        : 8.9 M
Repo        : installed
From repo   : ius
Summary     : A tool for installing and managing Python packages
URL         : https://pip.pypa.io
License     : MIT
Description : Pip is a replacement for `easy_install
            : <http://peak.telecommunity.com/DevCenter/EasyInstall>`_.  It uses mostly the
            : same techniques for finding packages, so packages that were made
            : easy_installable should be pip-installable as well.

Available Packages
Name        : python36u-pip
Arch        : noarch
Version     : 9.0.1
Release     : 1.ius.el7
Size        : 1.8 M
Repo        : ius/x86_64
Summary     : A tool for installing and managing Python packages
URL         : https://pip.pypa.io
License     : MIT
Description : Pip is a replacement for `easy_install
            : <http://peak.telecommunity.com/DevCenter/EasyInstall>`_.  It uses mostly the
            : same techniques for finding packages, so packages that were made
            : easy_installable should be pip-installable as well.

Conflicts with other files within /usr/lib/python3.6/site-packages/ are noted such as:

 file /usr/lib/python3.6/site-packages/pkg_resources
 file /usr/lib/python3.6/site-packages/setuptools

python3.6 IUS vs EPEL conflict:

file /usr/bin/python3.6 from install of python3-3.6.8-10.el7.x86_64 conflicts with file from package python36u-3.6.8-1.el7.ius.x86_64
  file /usr/bin/python3.6m from install of python3-3.6.8-10.el7.x86_64 conflicts with file from package python36u-3.6.8-1.el7.ius.x86_64

hundres of conflicts noted from:
file /usr/lib64/python3.6

[carlwgeorge]

I'm sorry you are running into this problem. We attempted to set up a clean transition from IUS's python36u to the new python3 package in base. That is described in detail in this issue. Despite the obsoletes resolution working as intended, yum is still hitting file conflicts, and I'm honestly not sure why. You can fix it by following the directions in this comment.