There is currently no python3 support in dh_auto_* build machinery. You need to do everything manually with python3. It is a known feature request.
** Changed in: debhelper (Ubuntu) Status: Confirmed => Invalid -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1017043 Title: dh_auto_clean tries to use python instead of python3 when --with python3 specified To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/debhelper/+bug/1017043/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs