Log Message:
py-uncompyle6: updated to 3.3.3

3.3.3:
As before, decomplation bugs fixed. The focus has primarily been on Python 3.7. \ 
But with this release, releases will be put on hold,as a better control-flow \ 
detection is worked on . Tis has been needed for a while, and is long overdue. \ 
It will probably also take a while to get done as good as what we have now.

However this work will be done in a new project decompyle3. In contrast to \ 
uncompyle6 the code wil be written assuming a modern Python 3, e.g. 3.7. It is \ 
originally intended to decompile Python version 3.7 and greater.

A number of Python 3.7+ chained comparisons were fixed
Revise Python 3.6ish format string handling
Go over operator precedence, e.g. for AST IfExp