stop leaking file descriptors
stop leaking file descriptors

tripps --lsof on os x but not on linux. there's possibly a bug in the leak
detector (not investigated here)

--HG--
branch : stop_leaking_fds

MengJueM/pytest,ropez/pytest,userzimmermann/pytest,ojake/pytest,nicoddemus/repo-test,markshao/pytest,pelme/pytest,ojake/pytest,MengJueM/pytest,vmalloc/dessert,rouge8/pytest,oleg-alexandrov/pytest,tomviner/pytest,jb098/pytest,hpk42/pytest,takluyver/pytest,icemac/pytest,rouge8/pytest,Bjwebb/pytest,mdboom/pytest,RonnyPfannschmidt/pytest,untitaker/pytest,mdboom/pytest,bubenkoff/pytest,alfredodeza/pytest,Akasurde/pytest,vodik/pytest,ionelmc/pytest,ropez/pytest,codewarrior0/pytest,untitaker/pytest,rmfitzpatrick/pytest,Bjwebb/pytest,abusalimov/pytest,takluyver/pytest,Bachmann1234/pytest,The-Compiler/pytest,mhils/pytest,hunse/pytest,MichaelAquilina/pytest,jb098/pytest,chiller/pytest,wfxiang08/pytest,bubenkoff/pytest,inirudebwoy/pytest,ddboline/pytest,nicoddemus/pytest,pfctdayelise/pytest,chillbear/pytest,JonathonSonesen/pytest,tareqalayan/pytest,JonathonSonesen/pytest,hunse/pytest,nicoddemus/repo-test,mbirtwell/pytest,bukzor/pytest,lukas-bednar/pytest,codewarrior0/pytest,malinoff/pytest,lukas-bednar/pytest,davidszotten/pytest,jaraco/pytest,inirudebwoy/pytest,gabrielcnr/pytest,hackebrot/pytest,tgoodlet/pytest,wfxiang08/pytest,chiller/pytest,Haibo-Wang-ORG/pytest,Bachmann1234/pytest,vodik/pytest,omarkohl/pytest,ericdill/pytest,hpk42/pytest,skylarjhdownes/pytest,oleg-alexandrov/pytest,ghostsquad/pytest,etataurov/pytest,nicoddemus/pytest,eli-b/pytest,mhils/pytest,doordash/pytest,tomviner/pytest,flub/pytest,pytest-dev/pytest,userzimmermann/pytest,chillbear/pytest,abusalimov/pytest,omarkohl/pytest,mbirtwell/pytest,Carreau/pytest,ionelmc/pytest,pelme/pytest,The-Compiler/pytest,gabrielcnr/pytest,txomon/pytest,ericdill/pytest,Haibo-Wang-ORG/pytest,Carreau/pytest,ghostsquad/pytest,bukzor/pytest,doordash/pytest,icemac/pytest