[freeipa PR#938][opened] client: make ipa-client-install py3 compatible

[stlaz]

   URL: https://github.com/freeipa/freeipa/pull/938
Author: stlaz
 Title: #938: client: make ipa-client-install py3 compatible
Action: opened

PR body:
"""
This commit enables ipa-client-install to be installable in
Python 3 and makes it run in Python 3 by default.

https://pagure.io/freeipa/issue/4985
"""

To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/938/head:pr938
git checkout pr938