little optmization: avoid to call os.path.realpath is not necessary
little optmization: avoid to call os.path.realpath is not necessary

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