TST: implement/fix tests for `scipy.stats` nan policy
TST: implement/fix tests for `scipy.stats` nan policy

perimosocordiae/scipy,sauliusl/scipy,argriffing/scipy,mikebenfield/scipy,felipebetancur/scipy,scipy/scipy,minhlongdo/scipy,zxsted/scipy,josephcslater/scipy,sriki18/scipy,surhudm/scipy,scipy/scipy,lukauskas/scipy,maniteja123/scipy,zerothi/scipy,mikebenfield/scipy,sauliusl/scipy,WarrenWeckesser/scipy,kalvdans/scipy,WillieMaddox/scipy,Srisai85/scipy,Stefan-Endres/scipy,haudren/scipy,sriki18/scipy,pbrod/scipy,sauliusl/scipy,nmayorov/scipy,lukauskas/scipy,anielsen001/scipy,maniteja123/scipy,anntzer/scipy,tylerjereddy/scipy,minhlongdo/scipy,andim/scipy,ales-erjavec/scipy,WarrenWeckesser/scipy,jakevdp/scipy,sriki18/scipy,argriffing/scipy,njwilson23/scipy,Kamp9/scipy,apbard/scipy,ilayn/scipy,person142/scipy,befelix/scipy,Eric89GXL/scipy,perimosocordiae/scipy,anntzer/scipy,vanpact/scipy,chatcannon/scipy,pbrod/scipy,Stefan-Endres/scipy,nonhermitian/scipy,woodscn/scipy,andyfaff/scipy,anielsen001/scipy,gertingold/scipy,anielsen001/scipy,giorgiop/scipy,woodscn/scipy,rgommers/scipy,matthewalbani/scipy,futurulus/scipy,andyfaff/scipy,jamestwebber/scipy,aeklant/scipy,apbard/scipy,chatcannon/scipy,giorgiop/scipy,Stefan-Endres/scipy,Newman101/scipy,futurulus/scipy,minhlongdo/scipy,vanpact/scipy,jjhelmus/scipy,larsmans/scipy,jor-/scipy,kleskjr/scipy,vigna/scipy,nonhermitian/scipy,WillieMaddox/scipy,njwilson23/scipy,zxsted/scipy,pyramania/scipy,felipebetancur/scipy,e-q/scipy,matthew-brett/scipy,WillieMaddox/scipy,befelix/scipy,chatcannon/scipy,giorgiop/scipy,newemailjdm/scipy,fernand/scipy,befelix/scipy,WillieMaddox/scipy,felipebetancur/scipy,jjhelmus/scipy,Stefan-Endres/scipy,andyfaff/scipy,zerothi/scipy,e-q/scipy,ales-erjavec/scipy,scipy/scipy,grlee77/scipy,niknow/scipy,rgommers/scipy,ales-erjavec/scipy,gef756/scipy,andyfaff/scipy,Gillu13/scipy,nmayorov/scipy,aarchiba/scipy,grlee77/scipy,gertingold/scipy,vanpact/scipy,mingwpy/scipy,zxsted/scipy,andim/scipy,arokem/scipy,lukauskas/scipy,anielsen001/scipy,aeklant/scipy,scipy/scipy,woodscn/scipy,giorgiop/scipy,kalvdans/scipy,scipy/scipy,endolith/scipy,lhilt/scipy,njwilson23/scipy,fredrikw/scipy,minhlongdo/scipy,befelix/scipy,argriffing/scipy,behzadnouri/scipy,zxsted/scipy,pschella/scipy,zxsted/scipy,lhilt/scipy,mdhaber/scipy,pnedunuri/scipy,niknow/scipy,endolith/scipy,Srisai85/scipy,pyramania/scipy,sonnyhu/scipy,Newman101/scipy,ilayn/scipy,vberaudi/scipy,e-q/scipy,matthewalbani/scipy,behzadnouri/scipy,fredrikw/scipy,andim/scipy,gef756/scipy,ales-erjavec/scipy,maniteja123/scipy,Newman101/scipy,Eric89GXL/scipy,person142/scipy,surhudm/scipy,gfyoung/scipy,zerothi/scipy,Kamp9/scipy,fredrikw/scipy,Shaswat27/scipy,person142/scipy,haudren/scipy,behzadnouri/scipy,gdooper/scipy,nonhermitian/scipy,mdhaber/scipy,WarrenWeckesser/scipy,pnedunuri/scipy,Eric89GXL/scipy,WarrenWeckesser/scipy,rgommers/scipy,minhlongdo/scipy,pnedunuri/scipy,niknow/scipy,sonnyhu/scipy,gdooper/scipy,gfyoung/scipy,mdhaber/scipy,Newman101/scipy,gef756/scipy,felipebetancur/scipy,Srisai85/scipy,aarchiba/scipy,vberaudi/scipy,mingwpy/scipy,zerothi/scipy,newemailjdm/scipy,Kamp9/scipy,ilayn/scipy,gdooper/scipy,njwilson23/scipy,jjhelmus/scipy,matthewalbani/scipy,kleskjr/scipy,zxsted/scipy,futurulus/scipy,pizzathief/scipy,befelix/scipy,gef756/scipy,pschella/scipy,aarchiba/scipy,fernand/scipy,ilayn/scipy,larsmans/scipy,jjhelmus/scipy,gdooper/scipy,andyfaff/scipy,jakevdp/scipy,njwilson23/scipy,vigna/scipy,pizzathief/scipy,haudren/scipy,Gillu13/scipy,Shaswat27/scipy,pyramania/scipy,e-q/scipy,felipebetancur/scipy,futurulus/scipy,Newman101/scipy,anntzer/scipy,sriki18/scipy,tylerjereddy/scipy,pyramania/scipy,zerothi/scipy,nmayorov/scipy,sauliusl/scipy,sonnyhu/scipy,dominicelse/scipy,bkendzior/scipy,WarrenWeckesser/scipy,pizzathief/scipy,andim/scipy,surhudm/scipy,maniteja123/scipy,mdhaber/scipy,mikebenfield/scipy,woodscn/scipy,pschella/scipy,vanpact/scipy,aarchiba/scipy,Shaswat27/scipy,Stefan-Endres/scipy,kalvdans/scipy,kleskjr/scipy,scipy/scipy,jamestwebber/scipy,surhudm/scipy,tylerjereddy/scipy,pnedunuri/scipy,e-q/scipy,behzadnouri/scipy,mingwpy/scipy,vberaudi/scipy,gfyoung/scipy,anntzer/scipy,ales-erjavec/scipy,WarrenWeckesser/scipy,arokem/scipy,futurulus/scipy,Eric89GXL/scipy,anielsen001/scipy,chatcannon/scipy,jakevdp/scipy,kalvdans/scipy,chatcannon/scipy,josephcslater/scipy,giorgiop/scipy,lhilt/scipy,jamestwebber/scipy,gef756/scipy,aeklant/scipy,dominicelse/scipy,nmayorov/scipy,lukauskas/scipy,surhudm/scipy,endolith/scipy,vanpact/scipy,behzadnouri/scipy,josephcslater/scipy,haudren/scipy,fredrikw/scipy,fernand/scipy,matthewalbani/scipy,mdhaber/scipy,perimosocordiae/scipy,dominicelse/scipy,haudren/scipy,anntzer/scipy,maniteja123/scipy,lhilt/scipy,Srisai85/scipy,bkendzior/scipy,zerothi/scipy,woodscn/scipy,pizzathief/scipy,vberaudi/scipy,pbrod/scipy,Gillu13/scipy,jamestwebber/scipy,sriki18/scipy,argriffing/scipy,endolith/scipy,matthewalbani/scipy,zaxliu/scipy,aeklant/scipy,newemailjdm/scipy,newemailjdm/scipy,pyramania/scipy,vigna/scipy,ales-erjavec/scipy,arokem/scipy,Srisai85/scipy,perimosocordiae/scipy,zaxliu/scipy,mikebenfield/scipy,sriki18/scipy,matthew-brett/scipy,fredrikw/scipy,larsmans/scipy,zaxliu/scipy,mingwpy/scipy,gdooper/scipy,bkendzior/scipy,Gillu13/scipy,Eric89GXL/scipy,nonhermitian/scipy,jakevdp/scipy,dominicelse/scipy,Shaswat27/scipy,kleskjr/scipy,gertingold/scipy,perimosocordiae/scipy,argriffing/scipy,felipebetancur/scipy,josephcslater/scipy,mikebenfield/scipy,mdhaber/scipy,dominicelse/scipy,matthew-brett/scipy,WillieMaddox/scipy,matthew-brett/scipy,gfyoung/scipy,anntzer/scipy,rgommers/scipy,Kamp9/scipy,Stefan-Endres/scipy,pnedunuri/scipy,jakevdp/scipy,tylerjereddy/scipy,grlee77/scipy,arokem/scipy,woodscn/scipy,Newman101/scipy,Eric89GXL/scipy,fernand/scipy,anielsen001/scipy,Srisai85/scipy,pizzathief/scipy,vanpact/scipy,tylerjereddy/scipy,andim/scipy,pschella/scipy,sonnyhu/scipy,josephcslater/scipy,lukauskas/scipy,zaxliu/scipy,matthew-brett/scipy,Shaswat27/scipy,jor-/scipy,arokem/scipy,apbard/scipy,sauliusl/scipy,jor-/scipy,gertingold/scipy,zaxliu/scipy,newemailjdm/scipy,aarchiba/scipy,gef756/scipy,kleskjr/scipy,bkendzior/scipy,behzadnouri/scipy,endolith/scipy,rgommers/scipy,pbrod/scipy,zaxliu/scipy,apbard/scipy,fernand/scipy,jjhelmus/scipy,jor-/scipy,Gillu13/scipy,person142/scipy,vigna/scipy,andyfaff/scipy,nmayorov/scipy,grlee77/scipy,larsmans/scipy,jamestwebber/scipy,vberaudi/scipy,vberaudi/scipy,Shaswat27/scipy,minhlongdo/scipy,lukauskas/scipy,vigna/scipy,fernand/scipy,haudren/scipy,gfyoung/scipy,gertingold/scipy,aeklant/scipy,WillieMaddox/scipy,sonnyhu/scipy,Kamp9/scipy,andim/scipy,person142/scipy,Kamp9/scipy,kalvdans/scipy,chatcannon/scipy,larsmans/scipy,pnedunuri/scipy,pbrod/scipy,nonhermitian/scipy,njwilson23/scipy,sauliusl/scipy,lhilt/scipy,newemailjdm/scipy,kleskjr/scipy,grlee77/scipy,ilayn/scipy,ilayn/scipy,giorgiop/scipy,niknow/scipy,sonnyhu/scipy,niknow/scipy,niknow/scipy,maniteja123/scipy,mingwpy/scipy,surhudm/scipy,perimosocordiae/scipy,pschella/scipy,larsmans/scipy,futurulus/scipy,Gillu13/scipy,mingwpy/scipy,pbrod/scipy,bkendzior/scipy,fredrikw/scipy,endolith/scipy,jor-/scipy,argriffing/scipy,apbard/scipy