As already written in https://answers.launchpad.net/ubuntu/+source /python-apt/+question/285522
python-apt version 0.7.8 is a very old and obsolete version (was for Ubuntu 9.04). For Ubuntu 14.04 the designated version is 0.9.3.5ubuntu2 The message "from DistUtilsExtra.command import * ImportError: No module named 'DistUtilsExtra'" might indicate that the package python-distutils-extra is missing. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1614299 Title: install failure on python 3.5 To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/python-apt/+bug/1614299/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs