Comment 11 for bug 1058884

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Barry Warsaw (barry) wrote : Re: do-release-upgrade crashed with EOFError in /usr/lib/ubuntu-release-upgrader/check-new-release: EOF read where not expected

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.