BUG: io: close file handles immediately after use, where possible (#1517)
BUG: io: close file handles immediately after use, where possible (#1517)

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