fix letter avatar python test
fix letter avatar python test

gencer/sentry,JamesMura/sentry,ifduyue/sentry,jean/sentry,jean/sentry,BuildingLink/sentry,JamesMura/sentry,ifduyue/sentry,alexm92/sentry,zenefits/sentry,looker/sentry,JamesMura/sentry,JamesMura/sentry,gencer/sentry,beeftornado/sentry,BuildingLink/sentry,gencer/sentry,looker/sentry,BuildingLink/sentry,beeftornado/sentry,looker/sentry,zenefits/sentry,JackDanger/sentry,jean/sentry,mvaled/sentry,zenefits/sentry,jean/sentry,ifduyue/sentry,jean/sentry,beeftornado/sentry,mvaled/sentry,gencer/sentry,looker/sentry,mvaled/sentry,BuildingLink/sentry,looker/sentry,alexm92/sentry,gencer/sentry,JackDanger/sentry,BuildingLink/sentry,ifduyue/sentry,mvaled/sentry,zenefits/sentry,ifduyue/sentry,mvaled/sentry,JackDanger/sentry,mvaled/sentry,JamesMura/sentry,zenefits/sentry,alexm92/sentry