Required or not, it's not part of the Ubuntu container image and therefore not available in minimal container setups. My initial comment contains a reproducer for the issue. It shows that zoneinfo module is broken in Ubuntu Groovy container.
-- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1904271 Title: Python 3.9 package is missing dependency on tzdata To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python3.9/+bug/1904271/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
