BUG: interpolate/polyint: fix divisions by zero in pchip
BUG: interpolate/polyint: fix divisions by zero in pchip

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