zerver/decorator.py: Use BytesIO to read request.
zerver/decorator.py: Use BytesIO to read request.

Use BytesIO instead of StringIO to get a file-like object on the
request's body.

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