use proper exception
use proper exception

arthurdarcet/aiohttp,KeepSafe/aiohttp,singulared/aiohttp,alexsdutton/aiohttp,arthurdarcet/aiohttp,vedun/aiohttp,elastic-coders/aiohttp,jashandeep-sohi/aiohttp,AraHaanOrg/aiohttp,vasylbo/aiohttp,noplay/aiohttp,danielnelson/aiohttp,pfreixes/aiohttp,panda73111/aiohttp,singulared/aiohttp,saghul/aiohttp,elastic-coders/aiohttp,decentfox/aiohttp,z2v/aiohttp,moden-py/aiohttp,sterwill/aiohttp,rutsky/aiohttp,rutsky/aiohttp,esaezgil/aiohttp,alex-eri/aiohttp-1,AlexLisovoy/aiohttp,pfreixes/aiohttp,mind1master/aiohttp,elastic-coders/aiohttp,moden-py/aiohttp,singulared/aiohttp,esaezgil/aiohttp,jettify/aiohttp,AlexLisovoy/aiohttp,vaskalas/aiohttp,KeepSafe/aiohttp,Srogozins/aiohttp,mind1master/aiohttp,Insoleet/aiohttp,morgan-del/aiohttp,jashandeep-sohi/aiohttp,esaezgil/aiohttp,z2v/aiohttp,KeepSafe/aiohttp,juliatem/aiohttp,alexsdutton/aiohttp,vaskalas/aiohttp,andyaguiar/aiohttp,panda73111/aiohttp,moden-py/aiohttp,pathcl/aiohttp,Eyepea/aiohttp,juliatem/aiohttp,decentfox/aiohttp,jojurajan/aiohttp,z2v/aiohttp,playpauseandstop/aiohttp,decentfox/aiohttp,rutsky/aiohttp,jettify/aiohttp,alex-eri/aiohttp-1,saghul/aiohttp,noplay/aiohttp,arthurdarcet/aiohttp,mind1master/aiohttp,avanov/aiohttp,jettify/aiohttp,hellysmile/aiohttp,panda73111/aiohttp,iksteen/aiohttp,noodle-learns-programming/aiohttp,alex-eri/aiohttp-1,vaskalas/aiohttp,flying-sheep/aiohttp,AraHaanOrg/aiohttp,iksteen/aiohttp,jashandeep-sohi/aiohttp,hellysmile/aiohttp,alunduil/aiohttp,jojurajan/aiohttp