The 'major' and 'minor' attributes to sys.version_info were newly added in Python 2.7. If you're using 2.6 or earlier, it is a tuple with no named attributes, which will cause an attribute error when running this setup (and no actual message to tell people they're using the wrong version).
The 'major' and 'minor' attributes to sys.version_info were newly added in Python 2.7. If you're using 2.6 or earlier, it is a tuple with no named attributes, which will cause an attribute error when running this setup (and no actual message to tell people they're using the wrong version).