MAINT: Cleanup np.poly1d hack
MAINT: Cleanup np.poly1d hack

Eric89GXL/scipy,perimosocordiae/scipy,anntzer/scipy,WarrenWeckesser/scipy,matthew-brett/scipy,andyfaff/scipy,endolith/scipy,Eric89GXL/scipy,ilayn/scipy,tylerjereddy/scipy,perimosocordiae/scipy,Eric89GXL/scipy,Stefan-Endres/scipy,matthew-brett/scipy,vigna/scipy,matthew-brett/scipy,e-q/scipy,scipy/scipy,anntzer/scipy,e-q/scipy,andyfaff/scipy,zerothi/scipy,Stefan-Endres/scipy,e-q/scipy,anntzer/scipy,nmayorov/scipy,tylerjereddy/scipy,ilayn/scipy,nmayorov/scipy,zerothi/scipy,matthew-brett/scipy,Stefan-Endres/scipy,pizzathief/scipy,WarrenWeckesser/scipy,endolith/scipy,endolith/scipy,rgommers/scipy,zerothi/scipy,vigna/scipy,vigna/scipy,zerothi/scipy,rgommers/scipy,rgommers/scipy,WarrenWeckesser/scipy,tylerjereddy/scipy,e-q/scipy,anntzer/scipy,Eric89GXL/scipy,pizzathief/scipy,mdhaber/scipy,vigna/scipy,endolith/scipy,grlee77/scipy,tylerjereddy/scipy,ilayn/scipy,perimosocordiae/scipy,rgommers/scipy,scipy/scipy,perimosocordiae/scipy,grlee77/scipy,anntzer/scipy,ilayn/scipy,Stefan-Endres/scipy,WarrenWeckesser/scipy,grlee77/scipy,Eric89GXL/scipy,WarrenWeckesser/scipy,Eric89GXL/scipy,andyfaff/scipy,vigna/scipy,mdhaber/scipy,zerothi/scipy,scipy/scipy,WarrenWeckesser/scipy,pizzathief/scipy,mdhaber/scipy,mdhaber/scipy,endolith/scipy,nmayorov/scipy,perimosocordiae/scipy,ilayn/scipy,rgommers/scipy,andyfaff/scipy,tylerjereddy/scipy,perimosocordiae/scipy,grlee77/scipy,nmayorov/scipy,pizzathief/scipy,zerothi/scipy,nmayorov/scipy,grlee77/scipy,mdhaber/scipy,Stefan-Endres/scipy,scipy/scipy,matthew-brett/scipy,andyfaff/scipy,e-q/scipy,pizzathief/scipy,endolith/scipy,scipy/scipy,ilayn/scipy,andyfaff/scipy,Stefan-Endres/scipy,anntzer/scipy,mdhaber/scipy,scipy/scipy