Raise a ValueError if accept_tests returns None
Raise a ValueError if accept_tests returns None

The accept_tests need to have a return value.

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