BUG: fix npy_PyFile_Dup error handling
BUG: fix npy_PyFile_Dup error handling

no caller deals with the -1.

Linkid/numpy,ahaldane/numpy,seberg/numpy,gmcastil/numpy,brandon-rhodes/numpy,abalkin/numpy,mortada/numpy,GaZ3ll3/numpy,cjermain/numpy,empeeu/numpy,githubmlai/numpy,numpy/numpy,ESSS/numpy,MSeifert04/numpy,ViralLeadership/numpy,bmorris3/numpy,trankmichael/numpy,ddasilva/numpy,mindw/numpy,sonnyhu/numpy,mhvk/numpy,Linkid/numpy,solarjoe/numpy,cjermain/numpy,jakirkham/numpy,mwiebe/numpy,ekalosak/numpy,mingwpy/numpy,abalkin/numpy,Srisai85/numpy,leifdenby/numpy,rajathkumarmp/numpy,has2k1/numpy,dch312/numpy,naritta/numpy,grlee77/numpy,gmcastil/numpy,mattip/numpy,NextThought/pypy-numpy,dimasad/numpy,charris/numpy,hainm/numpy,charris/numpy,madphysicist/numpy,jorisvandenbossche/numpy,joferkington/numpy,musically-ut/numpy,GrimDerp/numpy,dimasad/numpy,dato-code/numpy,anntzer/numpy,BMJHayward/numpy,skwbc/numpy,moreati/numpy,dch312/numpy,rajathkumarmp/numpy,simongibbons/numpy,mwiebe/numpy,solarjoe/numpy,WillieMaddox/numpy,MaPePeR/numpy,kiwifb/numpy,sigma-random/numpy,drasmuss/numpy,rherault-insa/numpy,embray/numpy,nguyentu1602/numpy,bringingheavendown/numpy,rgommers/numpy,jonathanunderwood/numpy,anntzer/numpy,MichaelAquilina/numpy,brandon-rhodes/numpy,larsmans/numpy,nguyentu1602/numpy,hainm/numpy,kiwifb/numpy,madphysicist/numpy,githubmlai/numpy,dimasad/numpy,njase/numpy,tacaswell/numpy,jorisvandenbossche/numpy,MSeifert04/numpy,yiakwy/numpy,nguyentu1602/numpy,MSeifert04/numpy,ESSS/numpy,dato-code/numpy,MaPePeR/numpy,ChristopherHogan/numpy,rajathkumarmp/numpy,skymanaditya1/numpy,ChristopherHogan/numpy,behzadnouri/numpy,ddasilva/numpy,endolith/numpy,charris/numpy,anntzer/numpy,MaPePeR/numpy,simongibbons/numpy,b-carter/numpy,mathdd/numpy,solarjoe/numpy,jonathanunderwood/numpy,madphysicist/numpy,gfyoung/numpy,tynn/numpy,ekalosak/numpy,mwiebe/numpy,Yusa95/numpy,mortada/numpy,naritta/numpy,AustereCuriosity/numpy,ddasilva/numpy,dch312/numpy,leifdenby/numpy,sigma-random/numpy,CMartelLML/numpy,Srisai85/numpy,ekalosak/numpy,pizzathief/numpy,ChanderG/numpy,Linkid/numpy,BabeNovelty/numpy,stuarteberg/numpy,mortada/numpy,trankmichael/numpy,CMartelLML/numpy,pizzathief/numpy,rgommers/numpy,rmcgibbo/numpy,mindw/numpy,mingwpy/numpy,mhvk/numpy,cowlicks/numpy,musically-ut/numpy,embray/numpy,dwillmer/numpy,pbrod/numpy,SunghanKim/numpy,b-carter/numpy,jankoslavic/numpy,sigma-random/numpy,pbrod/numpy,ssanderson/numpy,kiwifb/numpy,MSeifert04/numpy,pizzathief/numpy,jschueller/numpy,AustereCuriosity/numpy,rherault-insa/numpy,ChanderG/numpy,joferkington/numpy,WarrenWeckesser/numpy,moreati/numpy,numpy/numpy,tdsmith/numpy,dimasad/numpy,stuarteberg/numpy,stuarteberg/numpy,bmorris3/numpy,groutr/numpy,SunghanKim/numpy,ahaldane/numpy,CMartelLML/numpy,Anwesh43/numpy,pizzathief/numpy,Dapid/numpy,andsor/numpy,naritta/numpy,GrimDerp/numpy,kirillzhuravlev/numpy,SunghanKim/numpy,drasmuss/numpy,BMJHayward/numpy,endolith/numpy,skymanaditya1/numpy,stuarteberg/numpy,rudimeier/numpy,rhythmsosad/numpy,nbeaver/numpy,sonnyhu/numpy,groutr/numpy,jschueller/numpy,BMJHayward/numpy,chatcannon/numpy,argriffing/numpy,charris/numpy,madphysicist/numpy,hainm/numpy,NextThought/pypy-numpy,Yusa95/numpy,MaPePeR/numpy,Yusa95/numpy,musically-ut/numpy,joferkington/numpy,dato-code/numpy,dch312/numpy,nguyentu1602/numpy,CMartelLML/numpy,grlee77/numpy,kirillzhuravlev/numpy,trankmichael/numpy,has2k1/numpy,ESSS/numpy,utke1/numpy,ChristopherHogan/numpy,ajdawson/numpy,gfyoung/numpy,joferkington/numpy,tynn/numpy,sigma-random/numpy,rudimeier/numpy,rmcgibbo/numpy,argriffing/numpy,pdebuyl/numpy,MichaelAquilina/numpy,simongibbons/numpy,yiakwy/numpy,pyparallel/numpy,Dapid/numpy,tdsmith/numpy,larsmans/numpy,mortada/numpy,mattip/numpy,cowlicks/numpy,rgommers/numpy,MichaelAquilina/numpy,jschueller/numpy,endolith/numpy,grlee77/numpy,skymanaditya1/numpy,larsmans/numpy,embray/numpy,githubmlai/numpy,has2k1/numpy,mattip/numpy,njase/numpy,Dapid/numpy,andsor/numpy,sinhrks/numpy,jorisvandenbossche/numpy,KaelChen/numpy,sonnyhu/numpy,pdebuyl/numpy,mathdd/numpy,njase/numpy,cowlicks/numpy,empeeu/numpy,jakirkham/numpy,tdsmith/numpy,Eric89GXL/numpy,SiccarPoint/numpy,rudimeier/numpy,ekalosak/numpy,tacaswell/numpy,felipebetancur/numpy,moreati/numpy,WarrenWeckesser/numpy,groutr/numpy,bringingheavendown/numpy,BabeNovelty/numpy,Eric89GXL/numpy,seberg/numpy,MichaelAquilina/numpy,ContinuumIO/numpy,githubmlai/numpy,skymanaditya1/numpy,jonathanunderwood/numpy,rajathkumarmp/numpy,shoyer/numpy,behzadnouri/numpy,dato-code/numpy,empeeu/numpy,KaelChen/numpy,GrimDerp/numpy,larsmans/numpy,jakirkham/numpy,brandon-rhodes/numpy,kirillzhuravlev/numpy,felipebetancur/numpy,bmorris3/numpy,shoyer/numpy,NextThought/pypy-numpy,numpy/numpy,BabeNovelty/numpy,immerrr/numpy,mindw/numpy,Eric89GXL/numpy,sinhrks/numpy,b-carter/numpy,gmcastil/numpy,mingwpy/numpy,andsor/numpy,embray/numpy,shoyer/numpy,cjermain/numpy,trankmichael/numpy,jorisvandenbossche/numpy,jankoslavic/numpy,dwillmer/numpy,brandon-rhodes/numpy,maniteja123/numpy,yiakwy/numpy,gfyoung/numpy,seberg/numpy,rhythmsosad/numpy,ContinuumIO/numpy,ChanderG/numpy,dwillmer/numpy,rhythmsosad/numpy,NextThought/pypy-numpy,Yusa95/numpy,simongibbons/numpy,chiffa/numpy,kirillzhuravlev/numpy,rgommers/numpy,tdsmith/numpy,AustereCuriosity/numpy,jakirkham/numpy,embray/numpy,anntzer/numpy,sinhrks/numpy,naritta/numpy,chiffa/numpy,WillieMaddox/numpy,empeeu/numpy,WillieMaddox/numpy,SiccarPoint/numpy,utke1/numpy,bertrand-l/numpy,utke1/numpy,numpy/numpy,mhvk/numpy,SunghanKim/numpy,musically-ut/numpy,tynn/numpy,skwbc/numpy,MSeifert04/numpy,jankoslavic/numpy,bertrand-l/numpy,leifdenby/numpy,pyparallel/numpy,ahaldane/numpy,has2k1/numpy,behzadnouri/numpy,WarrenWeckesser/numpy,mathdd/numpy,SiccarPoint/numpy,ahaldane/numpy,mathdd/numpy,ViralLeadership/numpy,rmcgibbo/numpy,KaelChen/numpy,andsor/numpy,nbeaver/numpy,dwillmer/numpy,tacaswell/numpy,seberg/numpy,GaZ3ll3/numpy,nbeaver/numpy,ahaldane/numpy,Anwesh43/numpy,Srisai85/numpy,Eric89GXL/numpy,mindw/numpy,mhvk/numpy,cjermain/numpy,grlee77/numpy,mhvk/numpy,immerrr/numpy,pdebuyl/numpy,BabeNovelty/numpy,pdebuyl/numpy,madphysicist/numpy,maniteja123/numpy,pizzathief/numpy,Linkid/numpy,chiffa/numpy,KaelChen/numpy,WarrenWeckesser/numpy,ViralLeadership/numpy,bmorris3/numpy,yiakwy/numpy,immerrr/numpy,ajdawson/numpy,bertrand-l/numpy,ContinuumIO/numpy,immerrr/numpy,GaZ3ll3/numpy,WarrenWeckesser/numpy,pbrod/numpy,shoyer/numpy,GaZ3ll3/numpy,ChanderG/numpy,skwbc/numpy,jankoslavic/numpy,mingwpy/numpy,ssanderson/numpy,rmcgibbo/numpy,mattip/numpy,maniteja123/numpy,chatcannon/numpy,felipebetancur/numpy,BMJHayward/numpy,sonnyhu/numpy,rudimeier/numpy,ssanderson/numpy,pbrod/numpy,hainm/numpy,Anwesh43/numpy,pbrod/numpy,felipebetancur/numpy,SiccarPoint/numpy,abalkin/numpy,rhythmsosad/numpy,sinhrks/numpy,simongibbons/numpy,jakirkham/numpy,ChristopherHogan/numpy,chatcannon/numpy,ajdawson/numpy,cowlicks/numpy,pyparallel/numpy,drasmuss/numpy,rherault-insa/numpy,Srisai85/numpy,ajdawson/numpy,argriffing/numpy,Anwesh43/numpy,GrimDerp/numpy,endolith/numpy,shoyer/numpy,bringingheavendown/numpy,jschueller/numpy,grlee77/numpy,jorisvandenbossche/numpy