147c147
< if not isinstance(system, objects.Root) and not isinstance(system, System):
---
> if not isinstance(system, objects.Root) and not isinstance(system, objects.System):
156c156
< if not isinstance(system, objects.Root) and not isinstance(system, System):
---
> if not isinstance(system, objects.Root) and not isinstance(system, objects.System):
164a165
> print "switching cpus"
191a193
> print "switching"
194d195
< print "Switching CPUs"