fix interpreter compat
fix interpreter compat

--HG--
branch : trunk

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