fix python 3 compatibilty
fix python 3 compatibilty

cloudbase/psutil,packages/psutil,giampaolo/psutil,jorik041/psutil,0-wiz-0/psutil,msarahan/psutil,Q-Leap-Networks/psutil,msarahan/psutil,msarahan/psutil,jorik041/psutil,0-wiz-0/psutil,jamesblunt/psutil,jamesblunt/psutil,Q-Leap-Networks/psutil,qbit/psutil,jorik041/psutil,mrjefftang/psutil,qbit/psutil,packages/psutil,giampaolo/psutil,qbit/psutil,cloudbase/psutil,mrjefftang/psutil,cloudbase/psutil,packages/psutil,mrjefftang/psutil,jamesblunt/psutil