attempt to fix travis failure
attempt to fix travis failure

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