ImportError: No module named openclos.l3Clos

[dirtyratusa]

Using /usr/lib/python2.7/dist-packages
Searching for pycrypto==2.6.1
Best match: pycrypto 2.6.1
pycrypto 2.6.1 is already the active version in easy-install.pth

Using /usr/lib/python2.7/dist-packages
Finished processing dependencies for ncclient==0.5.3

Successfully installed junos-eznc OpenClos ncclient scp
Cleaning up...

riverad@ubuntu:~/OpenClos-3.0/jnpr/openclos/tests$ sudo python sampleApplication.py
Traceback (most recent call last):
File "sampleApplication.py", line 6, in
from jnpr.openclos.l3Clos import L3ClosMediation
ImportError: No module named openclos.l3Clos

I uninstalled junos-eznc and reinstalled OpenClos, but the ImportError persists. Anything esle I can do?
Thanks.