use sysconfig from pep425tags and use mock's patch context mgr
use sysconfig from pep425tags and use mock's patch context mgr

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