[Cython] cython-0.9.6.12 Demo failure?

[Neal Becker]

newb here.
cd /home/nbecker/Cython-0.9.6.12/Demos/
make 
python Setup.py build_ext --inplace
...
error: file 'submodule/test.pyx' does not exist
make: *** [all] Error 1