the bug was due to wrong dependancy or a bug somewhere in dpkg/apt : I had to upgrade python-central first.
However, "apt-get dist-upgrade" should have done that for me.. -- python-ctypes don't install https://launchpad.net/bugs/61466 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs