TST: sputils.ismatrix regression test
TST: sputils.ismatrix regression test

gdooper/scipy,Shaswat27/scipy,andim/scipy,futurulus/scipy,Newman101/scipy,dominicelse/scipy,Shaswat27/scipy,nonhermitian/scipy,pschella/scipy,pbrod/scipy,jor-/scipy,behzadnouri/scipy,surhudm/scipy,chatcannon/scipy,Shaswat27/scipy,gertingold/scipy,perimosocordiae/scipy,maniteja123/scipy,pizzathief/scipy,Gillu13/scipy,perimosocordiae/scipy,zerothi/scipy,WillieMaddox/scipy,gef756/scipy,Newman101/scipy,WillieMaddox/scipy,nmayorov/scipy,njwilson23/scipy,e-q/scipy,tylerjereddy/scipy,WillieMaddox/scipy,kleskjr/scipy,Eric89GXL/scipy,nonhermitian/scipy,anntzer/scipy,fredrikw/scipy,zaxliu/scipy,mdhaber/scipy,larsmans/scipy,andyfaff/scipy,Stefan-Endres/scipy,zerothi/scipy,pbrod/scipy,pschella/scipy,niknow/scipy,sriki18/scipy,andim/scipy,woodscn/scipy,maniteja123/scipy,Stefan-Endres/scipy,mingwpy/scipy,mikebenfield/scipy,perimosocordiae/scipy,jor-/scipy,Shaswat27/scipy,nmayorov/scipy,jakevdp/scipy,matthewalbani/scipy,surhudm/scipy,zaxliu/scipy,maniteja123/scipy,jamestwebber/scipy,andyfaff/scipy,Kamp9/scipy,vigna/scipy,befelix/scipy,rgommers/scipy,dominicelse/scipy,argriffing/scipy,Gillu13/scipy,pbrod/scipy,mikebenfield/scipy,Eric89GXL/scipy,gef756/scipy,fredrikw/scipy,pbrod/scipy,apbard/scipy,larsmans/scipy,rgommers/scipy,grlee77/scipy,anielsen001/scipy,argriffing/scipy,bkendzior/scipy,haudren/scipy,aeklant/scipy,gfyoung/scipy,nonhermitian/scipy,pbrod/scipy,kalvdans/scipy,e-q/scipy,haudren/scipy,Eric89GXL/scipy,ilayn/scipy,pyramania/scipy,person142/scipy,haudren/scipy,kleskjr/scipy,mdhaber/scipy,surhudm/scipy,lhilt/scipy,Kamp9/scipy,anntzer/scipy,fredrikw/scipy,matthewalbani/scipy,zaxliu/scipy,kleskjr/scipy,scipy/scipy,sriki18/scipy,kalvdans/scipy,aarchiba/scipy,dominicelse/scipy,sriki18/scipy,niknow/scipy,zerothi/scipy,gdooper/scipy,endolith/scipy,niknow/scipy,zerothi/scipy,chatcannon/scipy,pyramania/scipy,zaxliu/scipy,e-q/scipy,tylerjereddy/scipy,minhlongdo/scipy,mdhaber/scipy,anntzer/scipy,gfyoung/scipy,perimosocordiae/scipy,sriki18/scipy,jjhelmus/scipy,kleskjr/scipy,befelix/scipy,anielsen001/scipy,jor-/scipy,ilayn/scipy,WillieMaddox/scipy,aeklant/scipy,futurulus/scipy,chatcannon/scipy,matthewalbani/scipy,anielsen001/scipy,josephcslater/scipy,endolith/scipy,futurulus/scipy,behzadnouri/scipy,arokem/scipy,niknow/scipy,gdooper/scipy,WarrenWeckesser/scipy,WillieMaddox/scipy,gertingold/scipy,futurulus/scipy,josephcslater/scipy,tylerjereddy/scipy,sriki18/scipy,endolith/scipy,haudren/scipy,niknow/scipy,argriffing/scipy,argriffing/scipy,andim/scipy,scipy/scipy,scipy/scipy,aarchiba/scipy,dominicelse/scipy,ilayn/scipy,vigna/scipy,endolith/scipy,Stefan-Endres/scipy,larsmans/scipy,pizzathief/scipy,njwilson23/scipy,nonhermitian/scipy,WarrenWeckesser/scipy,lhilt/scipy,Gillu13/scipy,nmayorov/scipy,pizzathief/scipy,minhlongdo/scipy,behzadnouri/scipy,endolith/scipy,Newman101/scipy,pschella/scipy,gfyoung/scipy,gertingold/scipy,mdhaber/scipy,ilayn/scipy,mikebenfield/scipy,andyfaff/scipy,vigna/scipy,woodscn/scipy,anntzer/scipy,futurulus/scipy,Newman101/scipy,gdooper/scipy,niknow/scipy,bkendzior/scipy,behzadnouri/scipy,pyramania/scipy,jamestwebber/scipy,arokem/scipy,Kamp9/scipy,endolith/scipy,minhlongdo/scipy,aeklant/scipy,nonhermitian/scipy,andyfaff/scipy,zerothi/scipy,gef756/scipy,nmayorov/scipy,larsmans/scipy,andyfaff/scipy,Newman101/scipy,zerothi/scipy,fredrikw/scipy,e-q/scipy,njwilson23/scipy,Gillu13/scipy,behzadnouri/scipy,dominicelse/scipy,Shaswat27/scipy,pizzathief/scipy,Gillu13/scipy,ilayn/scipy,lhilt/scipy,gfyoung/scipy,aeklant/scipy,fredrikw/scipy,jjhelmus/scipy,WarrenWeckesser/scipy,kleskjr/scipy,nmayorov/scipy,njwilson23/scipy,matthew-brett/scipy,kleskjr/scipy,anielsen001/scipy,gef756/scipy,surhudm/scipy,jjhelmus/scipy,pyramania/scipy,matthew-brett/scipy,jamestwebber/scipy,tylerjereddy/scipy,scipy/scipy,minhlongdo/scipy,jor-/scipy,larsmans/scipy,rgommers/scipy,anntzer/scipy,befelix/scipy,haudren/scipy,jamestwebber/scipy,maniteja123/scipy,mikebenfield/scipy,grlee77/scipy,person142/scipy,apbard/scipy,argriffing/scipy,jjhelmus/scipy,matthew-brett/scipy,anntzer/scipy,andim/scipy,WarrenWeckesser/scipy,sriki18/scipy,kalvdans/scipy,jakevdp/scipy,aarchiba/scipy,chatcannon/scipy,matthew-brett/scipy,jakevdp/scipy,person142/scipy,zaxliu/scipy,mdhaber/scipy,befelix/scipy,matthew-brett/scipy,andim/scipy,vigna/scipy,person142/scipy,grlee77/scipy,mikebenfield/scipy,Eric89GXL/scipy,bkendzior/scipy,Eric89GXL/scipy,perimosocordiae/scipy,josephcslater/scipy,Stefan-Endres/scipy,arokem/scipy,apbard/scipy,rgommers/scipy,bkendzior/scipy,Kamp9/scipy,apbard/scipy,jor-/scipy,matthewalbani/scipy,futurulus/scipy,person142/scipy,larsmans/scipy,rgommers/scipy,ilayn/scipy,aeklant/scipy,andyfaff/scipy,gfyoung/scipy,chatcannon/scipy,Shaswat27/scipy,minhlongdo/scipy,apbard/scipy,jakevdp/scipy,fredrikw/scipy,maniteja123/scipy,njwilson23/scipy,lhilt/scipy,pbrod/scipy,gdooper/scipy,pschella/scipy,anielsen001/scipy,josephcslater/scipy,gef756/scipy,pschella/scipy,woodscn/scipy,jamestwebber/scipy,mingwpy/scipy,pyramania/scipy,WarrenWeckesser/scipy,minhlongdo/scip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