BUG: fix unreachable code, set root in zeros_tuple.bisect
BUG: fix unreachable code, set root in zeros_tuple.bisect

grlee77/scipy,aeklant/scipy,zerothi/scipy,ilayn/scipy,Eric89GXL/scipy,jor-/scipy,rgommers/scipy,zerothi/scipy,person142/scipy,perimosocordiae/scipy,jamestwebber/scipy,Stefan-Endres/scipy,jor-/scipy,ilayn/scipy,nmayorov/scipy,e-q/scipy,nmayorov/scipy,perimosocordiae/scipy,anntzer/scipy,scipy/scipy,ilayn/scipy,rgommers/scipy,lhilt/scipy,tylerjereddy/scipy,e-q/scipy,gertingold/scipy,gertingold/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,lhilt/scipy,pizzathief/scipy,matthew-brett/scipy,person142/scipy,jor-/scipy,lhilt/scipy,anntzer/scipy,matthew-brett/scipy,pizzathief/scipy,Stefan-Endres/scipy,anntzer/scipy,vigna/scipy,vigna/scipy,vigna/scipy,mdhaber/scipy,andyfaff/scipy,Stefan-Endres/scipy,arokem/scipy,andyfaff/scipy,aarchiba/scipy,pizzathief/scipy,tylerjereddy/scipy,zerothi/scipy,perimosocordiae/scipy,pizzathief/scipy,aarchiba/scipy,nmayorov/scipy,vigna/scipy,endolith/scipy,andyfaff/scipy,grlee77/scipy,ilayn/scipy,gertingold/scipy,endolith/scipy,Stefan-Endres/scipy,aeklant/scipy,perimosocordiae/scipy,rgommers/scipy,aarchiba/scipy,anntzer/scipy,arokem/scipy,jamestwebber/scipy,person142/scipy,mdhaber/scipy,grlee77/scipy,person142/scipy,lhilt/scipy,WarrenWeckesser/scipy,scipy/scipy,scipy/scipy,zerothi/scipy,rgommers/scipy,gertingold/scipy,jamestwebber/scipy,arokem/scipy,matthew-brett/scipy,scipy/scipy,jor-/scipy,zerothi/scipy,andyfaff/scipy,WarrenWeckesser/scipy,endolith/scipy,jor-/scipy,perimosocordiae/scipy,scipy/scipy,endolith/scipy,Eric89GXL/scipy,aeklant/scipy,WarrenWeckesser/scipy,gertingold/scipy,pizzathief/scipy,rgommers/scipy,e-q/scipy,tylerjereddy/scipy,jamestwebber/scipy,arokem/scipy,grlee77/scipy,mdhaber/scipy,Eric89GXL/scipy,tylerjereddy/scipy,e-q/scipy,anntzer/scipy,nmayorov/scipy,e-q/scipy,scipy/scipy,zerothi/scipy,andyfaff/scipy,arokem/scipy,WarrenWeckesser/scipy,perimosocordiae/scipy,lhilt/scipy,mdhaber/scipy,aarchiba/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,matthew-brett/scipy,aeklant/scipy,endolith/scipy,mdhaber/scipy,Eric89GXL/scipy,jamestwebber/scipy,endolith/scipy,vigna/scipy,aarchiba/scipy,mdhaber/scipy,tylerjereddy/scipy,nmayorov/scipy,grlee77/scipy,andyfaff/scipy,matthew-brett/scipy,anntzer/scipy,ilayn/scipy,WarrenWeckesser/scipy,aeklant/scipy,ilayn/scipy,person142/scipy,Stefan-Endres/scipy