FIX: Corrected error message of eigsh.
FIX: Corrected error message of eigsh.

Closes #3714

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