URL:
https://github.com/SSSD/sssd/pull/637
Title: #637: Relicense GPLv2 only files as GPLv3+
jhrozek commented:
"""
I think it's fine as long as the centos ci passes, realistically the only thing that
could have break is pep8.
"""
See the full comment at
https://github.com/SSSD/sssd/pull/637#issuecomment-412489768