(as is done for the matplotlib sample).
2) Fix bug that prevented from submodules from being included in the build if
the format of the import statement was from . import <name>.
+ 3) Ignore the "new" module in Python 3 and up where it no longer exists.
Changes from 4.1.1 to 4.1.2
1) Fix bug that caused the util extension to be named improperly.