Title: #5747: [Backport][ipa-4-9] Constrain pylint to supported versions
This PR was opened automatically because PR #5740 was pushed to master and backport to
ipa-4-9 is required.
To pull the PR as Git branch:
git remote add ghfreeipa https://github.com/freeipa/freeipa
git fetch ghfreeipa pull/5747/head:pr5747
git checkout pr5747