Added tests for abcd_normalize See #1973.
Added tests for abcd_normalize
See #1973.

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