Log Message:
py-uncompyle6: updated to 3.3.1

release-3.3.1
Lots of decomplation bugs, especially in the 3.x series fixed. Don't worry \ 
though, many more remain.
* Add annotation return values in 3.6+
* Fix 3.6+ lambda parameter handling decompilation
* Fix 3.7+ chained comparision decompilation
* split out semantic-action customization into more separate files
* Add 3.8 try/else
* Fix 2.7 generator decompilation
* Fix some parser failures fixes in 3.4+ using test_pyenvlib
* Add more run tests