Refactor realm_id to realm_id_str in url.py.
Refactor realm_id to realm_id_str in url.py.

shubhamdhama/zulip,hackerkid/zulip,timabbott/zulip,souravbadami/zulip,synicalsyntax/zulip,Galexrt/zulip,krtkmj/zulip,rht/zulip,mohsenSy/zulip,punchagan/zulip,cosmicAsymmetry/zulip,verma-varsha/zulip,timabbott/zulip,brainwane/zulip,reyha/zulip,amyliu345/zulip,eeshangarg/zulip,reyha/zulip,calvinleenyc/zulip,krtkmj/zulip,showell/zulip,j831/zulip,Diptanshu8/zulip,amanharitsh123/zulip,cosmicAsymmetry/zulip,eeshangarg/zulip,jackrzhang/zulip,amyliu345/zulip,ryanbackman/zulip,hackerkid/zulip,sup95/zulip,JPJPJPOPOP/zulip,souravbadami/zulip,andersk/zulip,arpith/zulip,rht/zulip,JPJPJPOPOP/zulip,dattatreya303/zulip,sup95/zulip,susansls/zulip,mahim97/zulip,ryanbackman/zulip,dhcrzf/zulip,eeshangarg/zulip,kou/zulip,dawran6/zulip,kou/zulip,umkay/zulip,punchagan/zulip,zacps/zulip,shubhamdhama/zulip,aakash-cr7/zulip,aakash-cr7/zulip,ahmadassaf/zulip,dattatreya303/zulip,sharmaeklavya2/zulip,brainwane/zulip,krtkmj/zulip,sharmaeklavya2/zulip,calvinleenyc/zulip,niftynei/zulip,sup95/zulip,peguin40/zulip,dawran6/zulip,tommyip/zulip,TigorC/zulip,KingxBanana/zulip,Galexrt/zulip,amyliu345/zulip,AZtheAsian/zulip,jphilipsen05/zulip,TigorC/zulip,sonali0901/zulip,aakash-cr7/zulip,ryanbackman/zulip,brainwane/zulip,rishig/zulip,jackrzhang/zulip,rishig/zulip,Diptanshu8/zulip,dhcrzf/zulip,rht/zulip,peguin40/zulip,paxapy/zulip,AZtheAsian/zulip,Diptanshu8/zulip,paxapy/zulip,Jianchun1/zulip,paxapy/zulip,j831/zulip,dhcrzf/zulip,arpith/zulip,calvinleenyc/zulip,AZtheAsian/zulip,kou/zulip,mohsenSy/zulip,isht3/zulip,rht/zulip,verma-varsha/zulip,mohsenSy/zulip,arpith/zulip,vikas-parashar/zulip,susansls/zulip,jrowan/zulip,jphilipsen05/zulip,joyhchen/zulip,AZtheAsian/zulip,timabbott/zulip,jrowan/zulip,vikas-parashar/zulip,shubhamdhama/zulip,brockwhittaker/zulip,jphilipsen05/zulip,Juanvulcano/zulip,christi3k/zulip,PhilSk/zulip,jainayush975/zulip,reyha/zulip,niftynei/zulip,brockwhittaker/zulip,joyhchen/zulip,grave-w-grave/zulip,kou/zulip,dattatreya303/zulip,timabbott/zulip,niftynei/zulip,vabs22/zulip,eeshangarg/zulip,niftynei/zulip,SmartPeople/zulip,jainayush975/zulip,vabs22/zulip,j831/zulip,Juanvulcano/zulip,Diptanshu8/zulip,PhilSk/zulip,sonali0901/zulip,susansls/zulip,zulip/zulip,blaze225/zulip,mohsenSy/zulip,sup95/zulip,dhcrzf/zulip,synicalsyntax/zulip,JPJPJPOPOP/zulip,Galexrt/zulip,showell/zulip,jainayush975/zulip,SmartPeople/zulip,KingxBanana/zulip,hackerkid/zulip,Jianchun1/zulip,showell/zulip,JPJPJPOPOP/zulip,ryanbackman/zulip,rht/zulip,PhilSk/zulip,grave-w-grave/zulip,zulip/zulip,umkay/zulip,zacps/zulip,zacps/zulip,arpith/zulip,ahmadassaf/zulip,brainwane/zulip,grave-w-grave/zulip,ryanbackman/zulip,synicalsyntax/zulip,kou/zulip,susansls/zulip,zacps/zulip,krtkmj/zulip,samatdav/zulip,showell/zulip,andersk/zulip,vikas-parashar/zulip,tommyip/zulip,KingxBanana/zulip,peguin40/zulip,sonali0901/zulip,ahmadassaf/zulip,punchagan/zulip,zacps/zulip,dawran6/zulip,mahim97/zulip,christi3k/zulip,rht/zulip,Jianchun1/zulip,sharmaeklavya2/zulip,TigorC/zulip,grave-w-grave/zulip,jrowan/zulip,vaidap/zulip,isht3/zulip,PhilSk/zulip,peguin40/zulip,Galexrt/zulip,andersk/zulip,shubhamdhama/zulip,joyhchen/zulip,kou/zulip,blaze225/zulip,jackrzhang/zulip,hackerkid/zulip,calvinleenyc/zulip,cosmicAsymmetry/zulip,samatdav/zulip,sup95/zulip,showell/zulip,brockwhittaker/zulip,reyha/zulip,andersk/zulip,vabs22/zulip,vaidap/zulip,rishig/zulip,brainwane/zulip,SmartPeople/zulip,susansls/zulip,zulip/zulip,TigorC/zulip,amanharitsh123/zulip,christi3k/zulip,jrowan/zulip,blaze225/zulip,mahim97/zulip,jackrzhang/zulip,punchagan/zulip,reyha/zulip,JPJPJPOPOP/zulip,amyliu345/zulip,cosmicAsymmetry/zulip,isht3/zulip,grave-w-grave/zulip,isht3/zulip,samatdav/zulip,vikas-parashar/zulip,zulip/zulip,andersk/zulip,cosmicAsymmetry/zulip,paxapy/zulip,vaidap/zulip,andersk/zulip,isht3/zulip,dattatreya303/zulip,hackerkid/zulip,sonali0901/zulip,krtkmj/zulip,jrowan/zulip,Juanvulcano/zulip,j831/zulip,dawran6/zulip,vaidap/zulip,brainwane/zulip,hackerkid/zulip,umkay/zulip,tommyip/zulip,amyliu345/zulip,aakash-cr7/zulip,vikas-parashar/zulip,vaidap/zulip,rishig/zulip,hackerkid/zulip,synicalsyntax/zulip,Jianchun1/zulip,ahmadassaf/zulip,jackrzhang/zulip,punchagan/zulip,zulip/zulip,jrowan/zulip,souravbadami/zulip,rht/zulip,rishig/zulip,showell/zulip,peguin40/zulip,mohsenSy/zulip,souravbadami/zulip,SmartPeople/zulip,Juanvulcano/zulip,brockwhittaker/zulip,cosmicAsymmetry/zulip,synicalsyntax/zulip,dhcrzf/zulip,timabbott/zulip,isht3/zulip,zulip/zulip,souravbadami/zulip,kou/zulip,vaidap/zulip,amanharitsh123/zulip,shubhamdhama/zulip,niftynei/zulip,vabs22/zulip,synicalsyntax/zulip,samatdav/zulip,shubhamdhama/zulip,punchagan/zulip,jainayush975/zulip,jackrzhang/zulip,umkay/zulip,sharmaeklavya2/zulip,peguin40/zulip,synicalsyntax/zulip,showell/zulip,dattatreya303/zulip,christi3k/zulip,aakash-cr7/zulip,jainayush975/zulip,Juanvulcano/zulip,jphilipsen05/zulip,amanharitsh123/zulip,KingxBanana/zulip,eeshangarg/zulip,vabs22/zulip,dawran6/zulip,Diptanshu8/zulip,jackrzhang/zulip,Galexrt/zulip,KingxBanana/zulip,ahmadassaf/zulip,ahmadassaf/zulip,Juanvulcano/zulip,tommyip/zulip,verma-varsha/zulip,sonali0901/zulip,jainayush975/zulip,susansls/zulip,PhilSk/zulip,amanharitsh123/zulip,mohsenSy/zulip,blaze225/zulip,timabbott/zulip,sharmaeklavya2/zulip,umkay/zulip,jphilipsen05/zulip,vikas-parashar/zulip,AZtheAsian/zulip,samatdav/zulip,verma-varsha/zulip,KingxBanana/zulip,christi3k/zulip,SmartPeople/zulip,souravbadami/zulip,calvinleenyc/zulip,dattatreya303/zulip,calvinleenyc/zulip,paxapy/zulip,tommyip/zulip,mahim97/zulip,vabs22/zulip,ahmadassaf/zulip,JPJPJPOPOP/zulip,joyhchen/zulip,TigorC/zulip,j831/zulip,andersk/zulip,samatdav/zulip,sonali0901/zulip,joyhchen/zulip,mahim97/zulip,eeshangarg/zulip,amanharitsh123/zulip,eeshangarg/zulip,umkay/zulip,blaze225/zulip,paxapy/zulip,umkay/zulip,tommyip/zulip,brockwhittaker/zulip,arpith/zulip,verma-varsha/zulip,krtkmj/zulip,tommyip/zulip,PhilSk/zulip,Diptanshu8/zulip,ryanbackman/zulip,timabbott/zulip,dhcrzf/zulip,brockwhittaker/zulip,joyhchen/zulip,rishig/zulip,zulip/zulip,TigorC/zulip,sup95/zulip,verma-varsha/zulip,niftynei/zulip,brainwane/zulip,punchagan/zulip,zacps/zulip,SmartPeople/zulip,rishig/zulip,grave-w-grave/zulip,AZtheAsian/zulip,Jianchun1/zulip,reyha/zulip,krtkmj/zulip,aakash-cr7/zulip,dhcrzf/zulip,j831/zulip,dawran6/zulip,mahim97/zulip,blaze225/zulip,shubhamdhama/zulip,amyliu345/zulip,jphilipsen05/zulip,Galexrt/zulip,Galexrt/zulip,christi3k/zulip,sharmaeklavya2/zulip,Jianchun1/zulip,arpith/zulip