BLD: change Cythonizing in case of no "cython" exe to suggestion @pv on gh-2449
BLD: change Cythonizing in case of no "cython" exe to suggestion @pv on gh-2449

ales-erjavec/scipy,scipy/scipy,futurulus/scipy,rgommers/scipy,njwilson23/scipy,jonycgn/scipy,bkendzior/scipy,gef756/scipy,futurulus/scipy,lukauskas/scipy,Stefan-Endres/scipy,jseabold/scipy,jjhelmus/scipy,ortylp/scipy,nvoron23/scipy,lukauskas/scipy,pbrod/scipy,Srisai85/scipy,Newman101/scipy,trankmichael/scipy,jamestwebber/scipy,Dapid/scipy,vberaudi/scipy,sauliusl/scipy,mdhaber/scipy,Newman101/scipy,fredrikw/scipy,person142/scipy,apbard/scipy,njwilson23/scipy,jakevdp/scipy,argriffing/scipy,gef756/scipy,ilayn/scipy,anntzer/scipy,matthew-brett/scipy,endolith/scipy,aman-iitj/scipy,kalvdans/scipy,felipebetancur/scipy,ilayn/scipy,woodscn/scipy,nmayorov/scipy,scipy/scipy,vberaudi/scipy,andyfaff/scipy,apbard/scipy,anielsen001/scipy,mgaitan/scipy,behzadnouri/scipy,anielsen001/scipy,Kamp9/scipy,FRidh/scipy,piyush0609/scipy,ortylp/scipy,rmcgibbo/scipy,scipy/scipy,nmayorov/scipy,giorgiop/scipy,njwilson23/scipy,anielsen001/scipy,fernand/scipy,sauliusl/scipy,zxsted/scipy,aman-iitj/scipy,apbard/scipy,ChanderG/scipy,vhaasteren/scipy,gertingold/scipy,ndchorley/scipy,Srisai85/scipy,josephcslater/scipy,richardotis/scipy,e-q/scipy,chatcannon/scipy,kleskjr/scipy,dominicelse/scipy,trankmichael/scipy,matthewalbani/scipy,maniteja123/scipy,Gillu13/scipy,larsmans/scipy,maciejkula/scipy,person142/scipy,ogrisel/scipy,mhogg/scipy,larsmans/scipy,Stefan-Endres/scipy,gef756/scipy,grlee77/scipy,jonycgn/scipy,pizzathief/scipy,argriffing/scipy,hainm/scipy,mikebenfield/scipy,Newman101/scipy,rgommers/scipy,pschella/scipy,e-q/scipy,Kamp9/scipy,mortonjt/scipy,kalvdans/scipy,fredrikw/scipy,zxsted/scipy,matthewalbani/scipy,jseabold/scipy,minhlongdo/scipy,matthew-brett/scipy,anntzer/scipy,Gillu13/scipy,zerothi/scipy,minhlongdo/scipy,juliantaylor/scipy,aarchiba/scipy,raoulbq/scipy,raoulbq/scipy,gdooper/scipy,mikebenfield/scipy,dch312/scipy,grlee77/scipy,futurulus/scipy,Srisai85/scipy,ChanderG/scipy,mdhaber/scipy,matthewalbani/scipy,aarchiba/scipy,jonycgn/scipy,sonnyhu/scipy,pnedunuri/scipy,josephcslater/scipy,andim/scipy,bkendzior/scipy,aman-iitj/scipy,person142/scipy,tylerjereddy/scipy,pyramania/scipy,dominicelse/scipy,rmcgibbo/scipy,haudren/scipy,lhilt/scipy,piyush0609/scipy,cpaulik/scipy,niknow/scipy,mhogg/scipy,pbrod/scipy,perimosocordiae/scipy,haudren/scipy,piyush0609/scipy,jseabold/scipy,ogrisel/scipy,Stefan-Endres/scipy,vigna/scipy,vigna/scipy,haudren/scipy,pizzathief/scipy,Eric89GXL/scipy,gfyoung/scipy,anntzer/scipy,mingwpy/scipy,piyush0609/scipy,lhilt/scipy,arokem/scipy,sonnyhu/scipy,kalvdans/scipy,argriffing/scipy,efiring/scipy,ilayn/scipy,nonhermitian/scipy,nonhermitian/scipy,petebachant/scipy,fernand/scipy,behzadnouri/scipy,sonnyhu/scipy,felipebetancur/scipy,jsilter/scipy,cpaulik/scipy,woodscn/scipy,jonycgn/scipy,gdooper/scipy,vanpact/scipy,Shaswat27/scipy,grlee77/scipy,jonycgn/scipy,gertingold/scipy,mtrbean/scipy,pbrod/scipy,anielsen001/scipy,vberaudi/scipy,person142/scipy,nvoron23/scipy,ales-erjavec/scipy,dominicelse/scipy,raoulbq/scipy,vanpact/scipy,nonhermitian/scipy,andyfaff/scipy,Shaswat27/scipy,juliantaylor/scipy,richardotis/scipy,mingwpy/scipy,vanpact/scipy,surhudm/scipy,surhudm/scipy,tylerjereddy/scipy,zerothi/scipy,dch312/scipy,vhaasteren/scipy,jjhelmus/scipy,juliantaylor/scipy,ogrisel/scipy,WarrenWeckesser/scipy,ilayn/scipy,bkendzior/scipy,vanpact/scipy,ilayn/scipy,Srisai85/scipy,giorgiop/scipy,andyfaff/scipy,mortada/scipy,fredrikw/scipy,mikebenfield/scipy,arokem/scipy,kleskjr/scipy,befelix/scipy,anntzer/scipy,sriki18/scipy,juliantaylor/scipy,Stefan-Endres/scipy,witcxc/scipy,mtrbean/scipy,gfyoung/scipy,aeklant/scipy,chatcannon/scipy,ilayn/scipy,mikebenfield/scipy,josephcslater/scipy,woodscn/scipy,vberaudi/scipy,andim/scipy,WarrenWeckesser/scipy,nonhermitian/scipy,piyush0609/scipy,lukauskas/scipy,maniteja123/scipy,trankmichael/scipy,sauliusl/scipy,aarchiba/scipy,zaxliu/scipy,mhogg/scipy,hainm/scipy,richardotis/scipy,pizzathief/scipy,endolith/scipy,gdooper/scipy,pschella/scipy,Gillu13/scipy,scipy/scipy,petebachant/scipy,mingwpy/scipy,niknow/scipy,sonnyhu/scipy,pyramania/scipy,lukauskas/scipy,futurulus/scipy,witcxc/scipy,minhlongdo/scipy,perimosocordiae/scipy,sriki18/scipy,perimosocordiae/scipy,surhudm/scipy,richardotis/scipy,maciejkula/scipy,sauliusl/scipy,WillieMaddox/scipy,cpaulik/scipy,rgommers/scipy,juliantaylor/scipy,felipebetancur/scipy,hainm/scipy,zerothi/scipy,FRidh/scipy,rmcgibbo/scipy,piyush0609/scipy,mortada/scipy,chatcannon/scipy,bkendzior/scipy,josephcslater/scipy,sonnyhu/scipy,argriffing/scipy,pnedunuri/scipy,pnedunuri/scipy,Shaswat27/scipy,rgommers/scipy,maciejkula/scipy,Eric89GXL/scipy,pschella/scipy,person142/scipy,fernand/scipy,endolith/scipy,zxsted/scipy,zaxliu/scipy,lukauskas/scipy,njwilson23/scipy,mgaitan/scipy,zerothi/scipy,ChanderG/scipy,futurulus/scipy,ChanderG/scipy,petebachant/scipy,vanpact/scipy,mtrbean/scipy,tylerjereddy/scipy,hainm/scipy,jseabold/scipy,zerothi/scipy,larsmans/scipy,argriffing/scipy,witcxc/scipy,jor-/scipy,giorgiop/scipy,efiring/scipy,grlee77/scipy,apbard/scipy,pschella/scipy,pbrod/scip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