Reformatting the definition of nnz (#10153)
Reformatting the definition of nnz (#10153)

This is in accordance with pull request #10141
gertingold/scipy,perimosocordiae/scipy,perimosocordiae/scipy,ilayn/scipy,lhilt/scipy,nmayorov/scipy,andyfaff/scipy,nmayorov/scipy,WarrenWeckesser/scipy,pizzathief/scipy,Stefan-Endres/scipy,pizzathief/scipy,lhilt/scipy,perimosocordiae/scipy,jor-/scipy,person142/scipy,grlee77/scipy,mdhaber/scipy,endolith/scipy,matthew-brett/scipy,grlee77/scipy,grlee77/scipy,pizzathief/scipy,gertingold/scipy,andyfaff/scipy,zerothi/scipy,zerothi/scipy,rgommers/scipy,anntzer/scipy,rgommers/scipy,perimosocordiae/scipy,mdhaber/scipy,tylerjereddy/scipy,anntzer/scipy,ilayn/scipy,rgommers/scipy,ilayn/scipy,matthew-brett/scipy,e-q/scipy,Stefan-Endres/scipy,mdhaber/scipy,endolith/scipy,vigna/scipy,nmayorov/scipy,WarrenWeckesser/scipy,aarchiba/scipy,aarchiba/scipy,grlee77/scipy,endolith/scipy,aarchiba/scipy,lhilt/scipy,person142/scipy,gertingold/scipy,e-q/scipy,aeklant/scipy,lhilt/scipy,jor-/scipy,andyfaff/scipy,lhilt/scipy,zerothi/scipy,anntzer/scipy,jamestwebber/scipy,jamestwebber/scipy,jor-/scipy,Eric89GXL/scipy,matthew-brett/scipy,aeklant/scipy,scipy/scipy,e-q/scipy,scipy/scipy,person142/scipy,gertingold/scipy,jamestwebber/scipy,person142/scipy,aarchiba/scipy,Stefan-Endres/scipy,aarchiba/scipy,scipy/scipy,scipy/scipy,arokem/scipy,tylerjereddy/scipy,endolith/scipy,arokem/scipy,arokem/scipy,scipy/scipy,jor-/scipy,aeklant/scipy,vigna/scipy,matthew-brett/scipy,endolith/scipy,Eric89GXL/scipy,perimosocordiae/scipy,Eric89GXL/scipy,gertingold/scipy,jor-/scipy,mdhaber/scipy,person142/scipy,ilayn/scipy,pizzathief/scipy,e-q/scipy,Eric89GXL/scipy,matthew-brett/scipy,aeklant/scipy,Eric89GXL/scipy,tylerjereddy/scipy,scipy/scipy,zerothi/scipy,vigna/scipy,vigna/scipy,anntzer/scipy,tylerjereddy/scipy,aeklant/scipy,WarrenWeckesser/scipy,endolith/scipy,WarrenWeckesser/scipy,jamestwebber/scipy,zerothi/scipy,grlee77/scipy,jamestwebber/scipy,Stefan-Endres/scipy,mdhaber/scipy,perimosocordiae/scipy,zerothi/scipy,ilayn/scipy,nmayorov/scipy,vigna/scipy,e-q/scipy,arokem/scipy,anntzer/scipy,Stefan-Endres/scipy,andyfaff/scipy,ilayn/scipy,anntzer/scipy,pizzathief/scipy,WarrenWeckesser/scipy,mdhaber/scipy,arokem/scipy,nmayorov/scipy,WarrenWeckesser/scipy,andyfaff/scipy,tylerjereddy/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,andyfaff/scipy,rgommers/scipy,rgommers/scipy