The UCR templates of univention-mariadb have to be python3-compatible.
univention-mariadb.yaml 5f76cf512667 | YAML Bug #51137 univention-mariadb (2.0.0-6) 732fe1e12193 | Bug #51137: make UCR templates compatible to python3
Changes -> OK jenkins -> OK yaml -> OK
<http://errata.software-univention.de/ucs/4.4/565.html>