Prior to release 0.1.8, python-h5io used a bundled, amalgamated
versioneer.py under CC0-1.0 to generate a _version.py file under the
same license, so the package was licensed (BSD-3-Clause AND CC0-1.0).
With release 0.1.8, upstream no longer uses Versioneer, so the package
license is now simply BSD-3-Clause[1].
[1]
https://src.fedoraproject.org/rpms/python-h5io/pull-request/3