Actually: http://bugs.python.org/issue16384
And I think I'm wrong. pyc files are written atomically in Python 3.3, but afaict that's not the case in Python 3.2. The import machinery was rewritten in Python for 3.3. So this could be a race condition for earlier Pythons. ** Changed in: ubuntu-release-upgrader (Ubuntu) Status: Incomplete => Triaged ** Bug watch added: Python Roundup #16384 http://bugs.python.org/issue16384 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1058884 Title: do-release-upgrade crashed with EOFError in /usr/lib/ubuntu-release- upgrader/check-new-release: EOF read where not expected To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/ubuntu-release-upgrader/+bug/1058884/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs