Check the warning works as expected for #651 case.
Check the warning works as expected for #651 case.

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