TST: optimize/_spectral: change asserts to numpy asserts just to be consistent
TST: optimize/_spectral: change asserts to numpy asserts just to be consistent

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