Add grace=0 to server stop in Python example
Add grace=0 to server stop in Python example

Fixes #4122

yugui/grpc,kpayson64/grpc,vjpai/grpc,fuchsia-mirror/third_party-grpc,daniel-j-born/grpc,a11r/grpc,simonkuang/grpc,greasypizza/grpc,murgatroid99/grpc,stanley-cheung/grpc,ejona86/grpc,sreecha/grpc,jboeuf/grpc,ncteisen/grpc,infinit/grpc,ipylypiv/grpc,matt-kwong/grpc,ctiller/grpc,msiedlarek/grpc,MakMukhi/grpc,muxi/grpc,makdharma/grpc,deepaklukose/grpc,podsvirov/grpc,chrisdunelm/grpc,thinkerou/grpc,baylabs/grpc,kriswuollett/grpc,msiedlarek/grpc,ncteisen/grpc,thunderboltsid/grpc,msmania/grpc,kpayson64/grpc,vjpai/grpc,LuminateWireless/grpc,msmania/grpc,donnadionne/grpc,podsvirov/grpc,ctiller/grpc,tamihiro/grpc,stanley-cheung/grpc,matt-kwong/grpc,soltanmm/grpc,msmania/grpc,miselin/grpc,greasypizza/grpc,donnadionne/grpc,ejona86/grpc,jcanizales/grpc,goldenbull/grpc,y-zeng/grpc,LuminateWireless/grpc,andrewpollock/grpc,donnadionne/grpc,adelez/grpc,yugui/grpc,dklempner/grpc,pszemus/grpc,geffzhang/grpc,jcanizales/grpc,kumaralokgithub/grpc,a-veitch/grpc,ctiller/grpc,wcevans/grpc,rjshade/grpc,ncteisen/grpc,donnadionne/grpc,nicolasnoble/grpc,kumaralokgithub/grpc,firebase/grpc,hstefan/grpc,philcleveland/grpc,nicolasnoble/grpc,a-veitch/grpc,ppietrasa/grpc,kskalski/grpc,royalharsh/grpc,zhimingxie/grpc,infinit/grpc,ananthonline/grpc,infinit/grpc,philcleveland/grpc,jboeuf/grpc,nicolasnoble/grpc,zhimingxie/grpc,kriswuollett/grpc,perumaalgoog/grpc,malexzx/grpc,ctiller/grpc,deepaklukose/grpc,geffzhang/grpc,ctiller/grpc,quizlet/grpc,geffzhang/grpc,jtattermusch/grpc,thunderboltsid/grpc,andrewpollock/grpc,jcanizales/grpc,vsco/grpc,kriswuollett/grpc,quizlet/grpc,kriswuollett/grpc,jtattermusch/grpc,ctiller/grpc,stanley-cheung/grpc,jtattermusch/grpc,jboeuf/grpc,apolcyn/grpc,Vizerai/grpc,royalharsh/grpc,quizlet/grpc,jtattermusch/grpc,pszemus/grpc,ncteisen/grpc,pmarks-net/grpc,yang-g/grpc,ctiller/grpc,grpc/grpc,kriswuollett/grpc,wcevans/grpc,kumaralokgithub/grpc,ctiller/grpc,7anner/grpc,bogdandrutu/grpc,carl-mastrangelo/grpc,pszemus/grpc,a11r/grpc,jtattermusch/grpc,daniel-j-born/grpc,soltanmm/grpc,miselin/grpc,PeterFaiman/ruby-grpc-minimal,malexzx/grpc,ppietrasa/grpc,firebase/grpc,zhimingxie/grpc,VcamX/grpc,ipylypiv/grpc,jcanizales/grpc,fuchsia-mirror/third_party-grpc,fuchsia-mirror/third_party-grpc,adelez/grpc,dgquintas/grpc,jboeuf/grpc,soltanmm-google/grpc,nicolasnoble/grpc,podsvirov/grpc,greasypizza/grpc,carl-mastrangelo/grpc,PeterFaiman/ruby-grpc-minimal,ananthonline/grpc,dgquintas/grpc,royalharsh/grpc,pszemus/grpc,vjpai/grpc,chrisdunelm/grpc,maxwell-demon/grpc,ipylypiv/grpc,dklempner/grpc,donnadionne/grpc,pmarks-net/grpc,w4-sjcho/grpc,deepaklukose/grpc,msiedlarek/grpc,madongfly/grpc,grani/grpc,perumaalgoog/grpc,simonkuang/grpc,soltanmm/grpc,thunderboltsid/grpc,kskalski/grpc,ananthonline/grpc,jboeuf/grpc,thunderboltsid/grpc,leifurhauks/grpc,ananthonline/grpc,hstefan/grpc,rjshade/grpc,ipylypiv/grpc,malexzx/grpc,msiedlarek/grpc,hstefan/grpc,y-zeng/grpc,7anner/grpc,stanley-cheung/grpc,MakMukhi/grpc,ctiller/grpc,adelez/grpc,maxwell-demon/grpc,yang-g/grpc,apolcyn/grpc,thinkerou/grpc,maxwell-demon/grpc,yang-g/grpc,daniel-j-born/grpc,jboeuf/grpc,yugui/grpc,vsco/grpc,malexzx/grpc,grpc/grpc,grpc/grpc,firebase/grpc,kpayson64/grpc,MakMukhi/grpc,goldenbull/grpc,grpc/grpc,nicolasnoble/grpc,kpayson64/grpc,bogdandrutu/grpc,jcanizales/grpc,rjshade/grpc,thunderboltsid/grpc,maxwell-demon/grpc,muxi/grpc,Crevil/grpc,grpc/grpc,muxi/grpc,ppietrasa/grpc,miselin/grpc,sreecha/grpc,philcleveland/grpc,PeterFaiman/ruby-grpc-minimal,leifurhauks/grpc,y-zeng/grpc,sreecha/grpc,kskalski/grpc,donnadionne/grpc,vjpai/grpc,nicolasnoble/grpc,malexzx/grpc,y-zeng/grpc,tengyifei/grpc,nicolasnoble/grpc,nicolasnoble/grpc,dklempner/grpc,tamihiro/grpc,wcevans/grpc,Vizerai/grpc,miselin/grpc,tengyifei/grpc,matt-kwong/grpc,apolcyn/grpc,simonkuang/grpc,pszemus/grpc,dgquintas/grpc,apolcyn/grpc,matt-kwong/grpc,kskalski/grpc,bogdandrutu/grpc,tamihiro/grpc,firebase/grpc,grpc/grpc,LuminateWireless/grpc,quizlet/grpc,baylabs/grpc,arkmaxim/grpc,sreecha/grpc,daniel-j-born/grpc,malexzx/grpc,malexzx/grpc,zhimingxie/grpc,goldenbull/grpc,w4-sjcho/grpc,Crevil/grpc,ctiller/grpc,perumaalgoog/grpc,wcevans/grpc,grani/grpc,rjshade/grpc,carl-mastrangelo/grpc,ncteisen/grpc,msmania/grpc,jcanizales/grpc,ipylypiv/grpc,bogdandrutu/grpc,thunderboltsid/grpc,wcevans/grpc,matt-kwong/grpc,dklempner/grpc,chrisdunelm/grpc,mehrdada/grpc,ejona86/grpc,yugui/grpc,bogdandrutu/grpc,quizlet/grpc,kriswuollett/grpc,royalharsh/grpc,ejona86/grpc,greasypizza/grpc,ncteisen/grpc,podsvirov/grpc,y-zeng/grpc,perumaalgoog/grpc,Crevil/grpc,jtattermusch/grpc,madongfly/grpc,hstefan/grpc,murgatroid99/grpc,infinit/grpc,kriswuollett/grpc,msmania/grpc,yang-g/grpc,podsvirov/grpc,nicolasnoble/grpc,yongni/grpc,jcanizales/grpc,adelez/grpc,mehrdada/grpc,Vizerai/grpc,infinit/grpc,infinit/grpc,Vizerai/grpc,chrisdunelm/grpc,daniel-j-born/grpc,pmarks-net/grpc,arkmaxim/grpc,andrewpollock/grpc,yugui/grpc,yang-g/grpc,andrewpollock/grpc,w4-sjcho/grpc,tamihiro/grpc,baylabs/grpc,kriswuollett/grpc,adelez/grpc,sreecha/grpc,tamihiro/grpc,madongfly/grpc,miselin/grpc,miselin/grpc,vjpai/grpc,adelez/grpc,PeterFaiman/ruby-grpc-minimal,VcamX/grpc,ananthonline/grpc,kumaralokgithub/grpc,leifurhauks/grpc,dklempner/grpc,arkmaxim/grpc,PeterFaiman/ruby-grpc-minimal,sreecha/grpc,apolcyn/grpc,chrisdunelm/grpc,kpayson64/grpc,ipylypiv/grpc,murgatroid99/grpc,nicolasnoble/grpc,dgquintas/grpc,tengyifei/grpc,soltanmm-google/grpc,vjpai/grpc,tengyifei/grpc,kumaralokgithub/grpc,wcevans/grpc,zhimingxie/grpc,kskalski/grpc,firebase/grpc,PeterFaiman/ruby-grpc-minimal,Crevil/grpc,grpc/grpc,muxi/grpc,daniel-j-born/grpc,sreecha/grpc,jtattermusch/grpc,Vizerai/grpc,matt-kwong/grpc,royalharsh/grpc,carl-mastrangelo/grpc,vsco/grpc,ipylypiv/grpc,muxi/grpc,sreecha/grpc,greasypizza/grpc,philcleveland/grpc,donnadionne/grpc,Vizerai/grpc,philcleveland/grpc,vjpai/grpc,PeterFaiman/ruby-grpc-minimal,madongfly/grpc,wcevans/grpc,baylabs/grpc,vjpai/grpc,ejona86/grpc,tengyifei/grpc,a-veitch/grpc,baylabs/grpc,ppietrasa/grpc,yongni/grpc,arkmaxim/grpc,msmania/grpc,murgatroid99/grpc,Crevil/grpc,pszemus/grpc,madongfly/grpc,deepaklukose/grpc,miselin/grpc,kskalski/grpc,greasypizza/grpc,Vizerai/grpc,philcleveland/grpc,msiedlarek/grpc,yongni/grpc,mehrdada/grpc,pszemus/grpc,baylabs/grpc,vsco/grpc,royalharsh/grpc,VcamX/grpc,a11r/grpc,royalharsh/grpc,VcamX/grpc,kskalski/grpc,stanley-cheung/grpc,royalharsh/grpc,soltanmm/grpc,goldenbull/grpc,y-zeng/grpc,vsco/grpc,ananthonline/grpc,w4-sjcho/grpc,MakMukhi/grpc,jboeuf/grpc,miselin/grpc,baylabs/grpc,muxi/grpc,grani/grpc,stanley-cheung/grpc,carl-mastrangelo/grpc,wcevans/grpc,philcleveland/grpc,stanley-cheung/grpc,ejona86/grpc,LuminateWireless/grpc,jtattermusch/grpc,perumaalgoog/grpc,7anner/grpc,perumaalgoog/grpc,PeterFaiman/ruby-grpc-minimal,thinkerou/grpc,y-zeng/grpc,carl-mastrangelo/grpc,soltanmm-google/grpc,y-zeng/grpc,thunderboltsid/grpc,tengyifei/grpc,thinkerou/grpc,murgatroid99/grpc,andrewpollock/grpc,jtattermusch/grpc,zhimingxie/grpc,dgquintas/grpc,ejona86/grpc,stanley-cheung/grpc,vjpai/grpc,yugui/grpc,podsvirov/grpc,w4-sjcho/grpc,soltanmm/grpc,a11r/grpc,arkmaxim/grpc,jboeuf/grpc,yugui/grpc,yongni/grpc,murgatroid99/grpc,geffzhang/grpc,vsco/grpc,adelez/grpc,carl-mastrangelo/grpc,nicolasnoble/grpc,matt-kwong/grpc,infinit/grpc,soltanmm-google/grpc,perumaalgoog/grpc,geffzhang/grpc,philcleveland/grpc,ejona86/grpc,rjshade/grpc,soltanmm-google/grpc,greasypizza/grpc,donnadionne/grpc,a11r/grpc,bogdandrutu/grpc,thinkerou/grpc,msiedlarek/grpc,thunderboltsid/grpc,kumaralokgithub/grpc,kskalski/grpc,pmarks-net/grpc,ppietrasa/grpc,Crevil/grpc,deepaklukose/grpc,goldenbull/grpc,deepaklukose/grpc,simonkuang/grpc,goldenbull/grpc,grpc/grpc,msmania/grpc,maxwell-demon/grpc,fuchsia-mirror/third_party-grpc,soltanmm-google/grpc,sreecha/grpc,madongfly/grpc,ejona86/grpc,a-veitch/grpc,Vizerai/grpc,kumaralokgithub/grpc,zhimingxie/grpc,pszemus/grpc,Vizerai/grpc,kpayson64/grpc,grpc/grpc,kskalski/grpc,stanley-cheung/grpc,Crevil/grpc,tamihiro/grpc,yugui/grpc,firebase/grpc,chrisdunelm/grpc,ncteisen/grpc,yang-g/grpc,fuchsia-mirror/third_party-grpc,geffzhang/grpc,ppietrasa/grpc,rjshade/grpc,rjshade/grpc,jtattermusch/grpc,thinkerou/grpc,dgquintas/grpc,yang-g/grpc,podsvirov/grpc,goldenbull/grpc,jcanizales/grpc,firebase/grpc,ananthonline/grpc,grpc/grpc,ctiller/grpc,thinkerou/grpc,jboeuf/grpc,donnadionne/grpc,leifurhauks/grpc,LuminateWireless/grpc,firebase/grpc,perumaalgoog/grpc,leifurhauks/grpc,madongfly/grpc,maxwell-demon/grpc,fuchsia-mirror/third_party-grpc,madongfly/grpc,Crevil/grpc,ncteisen/grpc,ncteisen/grpc,geffzhang/grpc,7anner/grpc,dklempner/grpc,a11r/grpc,royalharsh/grpc,w4-sjcho/grpc,bogdandrutu/grpc,thinkerou/grpc,muxi/grpc,msiedlarek/grpc,greasypizza/grpc,ncteisen/grpc,tengyifei/grpc,chrisdunelm/grpc,7anner/grpc,stanley-cheung/grpc,andrewpollock/grpc,grani/grpc,mehrdada/grpc,muxi/grpc,fuchsia-mirror/third_party-grpc,maxwell-demon/grpc,dgquintas/grpc,soltanmm-google/grpc,vjpai/grpc,zhimingxie/grpc,MakMukhi/grpc,dgquintas/grpc,kumaralokgithub/grpc,tamihiro/grpc,VcamX/grpc,soltanmm/grpc,thinkerou/grpc,pmarks-net/grpc,pmarks-net/grpc,msmania/grpc,a-veitch/grpc,apolcyn/grpc,hstefan/grpc,hstefan/grpc,dklempner/grpc,jcanizales/grpc,soltanmm/grpc,murgatroid99/grpc,yang-g/grpc,sreecha/grpc,podsvirov/grpc,kpayson64/grpc,tamihiro/grpc,ncteisen/grpc,jboeuf/grpc,fuchsia-mirror/third_party-grpc,arkmaxim/grpc,VcamX/grpc,kumaralokgithub/grpc,chrisdunelm/grpc,MakMukhi/grpc,firebase/grpc,simonkuang/grpc,a-veitch/grpc,7anner/grpc,ananthonline/grpc,chrisdunelm/grpc,dklempner/grpc,jboeuf/grpc,adelez/grpc,apolcyn/grpc,mehrdada/grpc,goldenbull/grpc,MakMukhi/grpc,muxi/grpc,ppietrasa/grpc,daniel-j-born/grpc,Crevil/grpc,ncteisen/grpc,zhimingxie/grpc,ejona86/grpc,geffzhang/grpc,muxi/grpc,firebase/grpc,MakMukhi/grpc,yongni/grpc,grani/grpc,jtattermusch/grpc,yang-g/grpc,pszemus/grpc,yongni/grpc,philcleveland/grpc,soltanmm-google/grpc,kpayson64/grpc,Vizerai/grpc,dgquintas/grpc,baylabs/grpc,carl-mastrangelo/grpc,quizlet/grpc,baylabs/grpc,w4-sjcho/grpc,quizlet/grpc,dgquintas/grpc,PeterFaiman/ruby-grpc-minimal,7anner/grpc,dklempner/grpc,yugui/grpc,donnadionne/grpc,hstefan/grpc,a-veitch/grpc,LuminateWireless/grpc,soltanmm-google/grpc,rjshade/grpc,vsco/grpc,ananthonline/grpc,leifurhauks/grpc,ppietrasa/grpc,grani/grpc,arkmaxim/grpc,mehrdada/grpc,grpc/grpc,stanley-cheung/grpc,donnadionne/grpc,thinkerou/grpc,soltanmm/grpc,maxwell-demon/grpc,pmarks-net/grpc,deepaklukose/grpc,a11r/grpc,LuminateWireless/grpc,ppietrasa/grpc,deepaklukose/grpc,infinit/grpc,7anner/grpc,carl-mastrangelo/grpc,carl-mastrangelo/grpc,fuchsia-mirror/third_party-grpc,simonkuang/grpc,yongni/grpc,kpayson64/grpc,tengyifei/grpc,LuminateWireless/grpc,VcamX/grpc,murgatroid99/grpc,andrewpollock/grpc,vsco/grpc,pszemus/grpc,podsvirov/grpc,ejona86/grpc,hstefan/grpc,grani/grpc,maxwell-demon/grpc,geffzhang/grpc,bogdandrutu/grpc,donnadionne/grpc,rjshade/grpc,mehrdada/grpc,apolcyn/grpc,makdharma/grpc,makdharma/grpc,yongni/grpc,firebase/grpc,wcevans/grpc,goldenbull/grpc,mehrdada/grpc,matt-kwong/grpc,pszemus/grpc,makdharma/grpc,muxi/grpc,chrisdunelm/grpc,mehrdada/grpc,chrisdunelm/grpc,arkmaxim/grpc,malexzx/grpc,a-veitch/grpc,arkmaxim/grpc,ipylypiv/grpc,infinit/grpc,LuminateWireless/grpc,matt-kwong/grpc,daniel-j-born/grpc,Vizerai/grpc,msmania/grpc,muxi/grpc,a11r/grpc,firebase/grpc,leifurhauks/grpc,stanley-cheung/grpc,fuchsia-mirror/third_party-grpc,simonkuang/grpc,hstefan/grpc,kriswuollett/grpc,quizlet/grpc,w4-sjcho/grpc,madongfly/grpc,carl-mastrangelo/grpc,makdharma/grpc,y-zeng/grpc,perumaalgoog/grpc,mehrdada/grpc,MakMukhi/grpc,pmarks-net/grpc,quizlet/grpc,kpayson64/grpc,bogdandrutu/grpc,soltanmm/grpc,deepaklukose/grpc,apolcyn/grpc,pszemus/grpc,carl-mastrangelo/grpc,grpc/grpc,murgatroid99/grpc,makdharma/grpc,dgquintas/grpc,tengyifei/grpc,msiedlarek/grpc,miselin/grpc,nicolasnoble/grpc,andrewpollock/grpc,thinkerou/grpc,simonkuang/grpc,ipylypiv/grpc,kpayson64/grpc,murgatroid99/grpc,makdharma/grpc,VcamX/grpc,tamihiro/grpc,a-veitch/grpc,leifurhauks/grpc,vjpai/grpc,jboeuf/grpc,andrewpollock/grpc,7anner/grpc,sreecha/grpc,grani/grpc,makdharma/grpc,mehrdada/grpc,vsco/grpc,PeterFaiman/ruby-grpc-minimal,daniel-j-born/grpc,msiedlarek/grpc,adelez/grpc,malexzx/grpc,grani/grpc,sreecha/grpc,yongni/grpc,thunderboltsid/grpc,vjpai/grpc,ejona86/grpc,pmarks-net/grpc,simonkuang/grpc,VcamX/grpc,w4-sjcho/grpc,greasypizza/grpc,ctiller/grpc,leifurhauks/grpc,makdharma/grpc,a11r/grpc,thinkerou/grpc,mehrdada/grpc,jtattermusch/grpc