fix error on aborting uninstall, make tempdir name consistent with other pip tempdirs
fix error on aborting uninstall, make tempdir name consistent with other pip tempdirs

graingert/pip,Gabriel439/pip,jamezpolley/pip,techtonik/pip,ncoghlan/pip,msabramo/pip,rouge8/pip,sigmavirus24/pip,h4ck3rm1k3/pip,erikrose/pip,esc/pip,blarghmatey/pip,squidsoup/pip,willingc/pip,willingc/pip,tdsmith/pip,atdaemon/pip,rbtcollins/pip,luzfcb/pip,xavfernandez/pip,mindw/pip,mindw/pip,pradyunsg/pip,msabramo/pip,minrk/pip,rouge8/pip,fiber-space/pip,sbidoul/pip,alex/pip,qbdsoft/pip,James-Firth/pip,squidsoup/pip,ianw/pip,alex/pip,yati-sagade/pip,natefoo/pip,qwcode/pip,xavfernandez/pip,jmagnusson/pip,mindw/pip,patricklaw/pip,harrisonfeng/pip,James-Firth/pip,atdaemon/pip,jythontools/pip,RonnyPfannschmidt/pip,supriyantomaftuh/pip,alquerci/pip,willingc/pip,rouge8/pip,blarghmatey/pip,ChristopherHogan/pip,erikrose/pip,squidsoup/pip,blarghmatey/pip,nthall/pip,Carreau/pip,zorosteven/pip,benesch/pip,fiber-space/pip,KarelJakubec/pip,jasonkying/pip,dstufft/pip,ChristopherHogan/pip,jmagnusson/pip,haridsv/pip,zorosteven/pip,chaoallsome/pip,ncoghlan/pip,domenkozar/pip,nthall/pip,zvezdan/pip,ncoghlan/pip,h4ck3rm1k3/pip,rbtcollins/pip,RonnyPfannschmidt/pip,caosmo/pip,jamezpolley/pip,pradyunsg/pip,mujiansu/pip,graingert/pip,fiber-space/pip,minrk/pip,chaoallsome/pip,benesch/pip,habnabit/pip,jythontools/pip,erikrose/pip,Gabriel439/pip,qbdsoft/pip,benesch/pip,zvezdan/pip,tdsmith/pip,pjdelport/pip,sbidoul/pip,tdsmith/pip,jmagnusson/pip,haridsv/pip,mujiansu/pip,sigmavirus24/pip,harrisonfeng/pip,ianw/pip,RonnyPfannschmidt/pip,qbdsoft/pip,luzfcb/pip,cjerdonek/pip,natefoo/pip,jasonkying/pip,luzfcb/pip,graingert/pip,techtonik/pip,Ivoz/pip,jamezpolley/pip,wkeyword/pip,zenlambda/pip,pfmoore/pip,xavfernandez/pip,h4ck3rm1k3/pip,supriyantomaftuh/pip,davidovich/pip,yati-sagade/pip,esc/pip,esc/pip,yati-sagade/pip,pfmoore/pip,qwcode/pip,techtonik/pip,Carreau/pip,alquerci/pip,jasonkying/pip,cjerdonek/pip,mujiansu/pip,sigmavirus24/pip,zenlambda/pip,zorosteven/pip,patricklaw/pip,rbtcollins/pip,pjdelport/pip,ChristopherHogan/pip,dstufft/pip,nthall/pip,jythontools/pip,habnabit/pip,davidovich/pip,wkeyword/pip,pjdelport/pip,prasaianooz/pip,zvezdan/pip,mattrobenolt/pip,prasaianooz/pip,caosmo/pip,Gabriel439/pip,zenlambda/pip,natefoo/pip,alex/pip,prasaianooz/pip,atdaemon/pip,mattrobenolt/pip,supriyantomaftuh/pip,wkeyword/pip,haridsv/pip,harrisonfeng/pip,KarelJakubec/pip,KarelJakubec/pip,chaoallsome/pip,habnabit/pip,dstufft/pip,pypa/pip,James-Firth/pip,radiosilence/pip,caosmo/pip,Ivoz/pip,pypa/pip,davidovich/pip