For future proofing, we need to port beaker-system-scan to Python 3. This is necessary to make it run on upcoming distros which have no Python 2.
https://gerrit.beaker-project.org/6233
This bug fix is included in beaker-system-scan-2.3-3 which is currently available for download here: https://beaker-project.org/yum/harness-testing/
This has been released with Beaker 25.6. Release Notes: https://beaker-project.org/docs/whats-new/release-25.html#beaker-25-6