Make pytest-version mandatory
Make pytest-version mandatory

Fix #1118

vodik/pytest,pytest-dev/pytest,MichaelAquilina/pytest,nicoddemus/pytest,omarkohl/pytest,JonathonSonesen/pytest,hpk42/pytest,ddboline/pytest,skylarjhdownes/pytest,nicoddemus/pytest,pfctdayelise/pytest,lukas-bednar/pytest,tgoodlet/pytest,rmfitzpatrick/pytest,Bachmann1234/pytest,hpk42/pytest,ropez/pytest,The-Compiler/pytest,hackebrot/pytest,gabrielcnr/pytest,userzimmermann/pytest,txomon/pytest,MengJueM/pytest,alfredodeza/pytest,etataurov/pytest,MengJueM/pytest,tomviner/pytest,RonnyPfannschmidt/pytest,vmalloc/dessert,Bachmann1234/pytest,vodik/pytest,markshao/pytest,eli-b/pytest,ropez/pytest,gabrielcnr/pytest,tareqalayan/pytest,The-Compiler/pytest,omarkohl/pytest,Akasurde/pytest,lukas-bednar/pytest,davidszotten/pytest,JonathonSonesen/pytest,tomviner/pytest,jaraco/pytest,userzimmermann/pytest,malinoff/pytest,flub/pytest