Add check_venv() to tools/diagnose script.
Add check_venv() to tools/diagnose script.

j831/zulip,showell/zulip,niftynei/zulip,christi3k/zulip,PhilSk/zulip,rht/zulip,dhcrzf/zulip,kou/zulip,rht/zulip,susansls/zulip,jphilipsen05/zulip,synicalsyntax/zulip,JPJPJPOPOP/zulip,j831/zulip,vaidap/zulip,isht3/zulip,AZtheAsian/zulip,kou/zulip,mahim97/zulip,dhcrzf/zulip,synicalsyntax/zulip,brockwhittaker/zulip,souravbadami/zulip,eeshangarg/zulip,jainayush975/zulip,eeshangarg/zulip,brainwane/zulip,timabbott/zulip,hackerkid/zulip,timabbott/zulip,Galexrt/zulip,jrowan/zulip,shubhamdhama/zulip,PhilSk/zulip,timabbott/zulip,vaidap/zulip,SmartPeople/zulip,amanharitsh123/zulip,brockwhittaker/zulip,mahim97/zulip,aakash-cr7/zulip,souravbadami/zulip,ryanbackman/zulip,susansls/zulip,rht/zulip,dattatreya303/zulip,souravbadami/zulip,JPJPJPOPOP/zulip,christi3k/zulip,brainwane/zulip,jainayush975/zulip,AZtheAsian/zulip,eeshangarg/zulip,shubhamdhama/zulip,verma-varsha/zulip,timabbott/zulip,Diptanshu8/zulip,aakash-cr7/zulip,jackrzhang/zulip,sonali0901/zulip,synicalsyntax/zulip,cosmicAsymmetry/zulip,synicalsyntax/zulip,aakash-cr7/zulip,hackerkid/zulip,amyliu345/zulip,jackrzhang/zulip,vabs22/zulip,jrowan/zulip,tommyip/zulip,christi3k/zulip,jackrzhang/zulip,SmartPeople/zulip,dawran6/zulip,SmartPeople/zulip,jphilipsen05/zulip,ryanbackman/zulip,jainayush975/zulip,hackerkid/zulip,samatdav/zulip,andersk/zulip,JPJPJPOPOP/zulip,vaidap/zulip,jainayush975/zulip,amyliu345/zulip,amyliu345/zulip,shubhamdhama/zulip,christi3k/zulip,niftynei/zulip,shubhamdhama/zulip,kou/zulip,rishig/zulip,Galexrt/zulip,ryanbackman/zulip,tommyip/zulip,tommyip/zulip,isht3/zulip,hackerkid/zulip,synicalsyntax/zulip,blaze225/zulip,tommyip/zulip,amanharitsh123/zulip,verma-varsha/zulip,vaidap/zulip,jackrzhang/zulip,JPJPJPOPOP/zulip,blaze225/zulip,sonali0901/zulip,christi3k/zulip,dattatreya303/zulip,punchagan/zulip,blaze225/zulip,niftynei/zulip,AZtheAsian/zulip,aakash-cr7/zulip,sharmaeklavya2/zulip,amanharitsh123/zulip,showell/zulip,kou/zulip,showell/zulip,susansls/zulip,brainwane/zulip,dattatreya303/zulip,dhcrzf/zulip,SmartPeople/zulip,Diptanshu8/zulip,tommyip/zulip,Galexrt/zulip,timabbott/zulip,niftynei/zulip,zulip/zulip,andersk/zulip,jackrzhang/zulip,Diptanshu8/zulip,Galexrt/zulip,susansls/zulip,aakash-cr7/zulip,sharmaeklavya2/zulip,j831/zulip,souravbadami/zulip,Galexrt/zulip,PhilSk/zulip,amyliu345/zulip,vabs22/zulip,punchagan/zulip,zulip/zulip,synicalsyntax/zulip,j831/zulip,jackrzhang/zulip,dawran6/zulip,vabs22/zulip,brainwane/zulip,kou/zulip,brockwhittaker/zulip,Diptanshu8/zulip,rishig/zulip,brockwhittaker/zulip,jphilipsen05/zulip,jrowan/zulip,vaidap/zulip,verma-varsha/zulip,rht/zulip,mahim97/zulip,dhcrzf/zulip,cosmicAsymmetry/zulip,zulip/zulip,shubhamdhama/zulip,jphilipsen05/zulip,SmartPeople/zulip,isht3/zulip,jainayush975/zulip,eeshangarg/zulip,susansls/zulip,j831/zulip,punchagan/zulip,blaze225/zulip,isht3/zulip,sonali0901/zulip,rishig/zulip,sharmaeklavya2/zulip,andersk/zulip,jrowan/zulip,andersk/zulip,dattatreya303/zulip,isht3/zulip,cosmicAsymmetry/zulip,punchagan/zulip,showell/zulip,samatdav/zulip,AZtheAsian/zulip,dhcrzf/zulip,amyliu345/zulip,verma-varsha/zulip,tommyip/zulip,vabs22/zulip,sharmaeklavya2/zulip,synicalsyntax/zulip,cosmicAsymmetry/zulip,vabs22/zulip,aakash-cr7/zulip,tommyip/zulip,Galexrt/zulip,PhilSk/zulip,punchagan/zulip,sonali0901/zulip,blaze225/zulip,eeshangarg/zulip,samatdav/zulip,dattatreya303/zulip,cosmicAsymmetry/zulip,susansls/zulip,dattatreya303/zulip,SmartPeople/zulip,andersk/zulip,ryanbackman/zulip,mahim97/zulip,rishig/zulip,PhilSk/zulip,rishig/zulip,shubhamdhama/zulip,dawran6/zulip,jphilipsen05/zulip,andersk/zulip,amanharitsh123/zulip,JPJPJPOPOP/zulip,blaze225/zulip,niftynei/zulip,PhilSk/zulip,brockwhittaker/zulip,sharmaeklavya2/zulip,jrowan/zulip,verma-varsha/zulip,brockwhittaker/zulip,sonali0901/zulip,jrowan/zulip,zulip/zulip,rht/zulip,isht3/zulip,kou/zulip,brainwane/zulip,niftynei/zulip,timabbott/zulip,ryanbackman/zulip,jainayush975/zulip,jackrzhang/zulip,rishig/zulip,vabs22/zulip,j831/zulip,AZtheAsian/zulip,souravbadami/zulip,zulip/zulip,dhcrzf/zulip,mahim97/zulip,hackerkid/zulip,showell/zulip,jphilipsen05/zulip,sonali0901/zulip,showell/zulip,kou/zulip,amanharitsh123/zulip,samatdav/zulip,rht/zulip,shubhamdhama/zulip,brainwane/zulip,amyliu345/zulip,sharmaeklavya2/zulip,amanharitsh123/zulip,Diptanshu8/zulip,dawran6/zulip,punchagan/zulip,vaidap/zulip,christi3k/zulip,zulip/zulip,ryanbackman/zulip,eeshangarg/zulip,timabbott/zulip,zulip/zulip,andersk/zulip,dawran6/zulip,dawran6/zulip,verma-varsha/zulip,samatdav/zulip,showell/zulip,eeshangarg/zulip,souravbadami/zulip,samatdav/zulip,hackerkid/zulip,dhcrzf/zulip,rishig/zulip,Diptanshu8/zulip,Galexrt/zulip,punchagan/zulip,cosmicAsymmetry/zulip,hackerkid/zulip,JPJPJPOPOP/zulip,brainwane/zulip,rht/zulip,mahim97/zulip,AZtheAsian/zulip