Revert "Update six.py to 1.4.1"

This reverts commit 184c041e41c32fe58a96eda4df7ff8634681d0f0.
Revert "lib/calendar PY3 <> fix to !="

This reverts commit 1577d45ba44b0039d440a81dea18380e196ae67e.
Revert "PY3 <> Fixes to !="

This reverts commit 4a3172bee32d99de0e3025e3facb6750578ada3f.
Revert "PY3 <> to !="

This reverts commit a6225b04abb73412948349b5e26a296c03888533.