psutil.NUM_CPUS
It seems that psutil.NUM_CPUS was removed from last version of psutils I can be replaced with psutil.cpu_count()
see here https://github.com/ContinuumIO/blaze/issues/1135 and here http://pythonhosted.org/psutil/
To upload designs, you'll need to enable LFS and have an admin enable hashed storage. More information