[svn r58026] avoiding an issue with older pexpect versions
[svn r58026] avoiding an issue with older pexpect versions

--HG--
branch : trunk

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