Drop unused sys import
Drop unused sys import

alex-eri/aiohttp-1,KeepSafe/aiohttp,z2v/aiohttp,mind1master/aiohttp,panda73111/aiohttp,arthurdarcet/aiohttp,decentfox/aiohttp,pfreixes/aiohttp,elastic-coders/aiohttp,playpauseandstop/aiohttp,arthurdarcet/aiohttp,arthurdarcet/aiohttp,jashandeep-sohi/aiohttp,pfreixes/aiohttp,jettify/aiohttp,AraHaanOrg/aiohttp,singulared/aiohttp,moden-py/aiohttp,esaezgil/aiohttp,elastic-coders/aiohttp,z2v/aiohttp,alex-eri/aiohttp-1,AraHaanOrg/aiohttp,moden-py/aiohttp,jettify/aiohttp,rutsky/aiohttp,KeepSafe/aiohttp,jashandeep-sohi/aiohttp,singulared/aiohttp,esaezgil/aiohttp,hellysmile/aiohttp,juliatem/aiohttp,decentfox/aiohttp,panda73111/aiohttp,vaskalas/aiohttp,mind1master/aiohttp,decentfox/aiohttp,hellysmile/aiohttp,Eyepea/aiohttp,moden-py/aiohttp,z2v/aiohttp,rutsky/aiohttp,KeepSafe/aiohttp,mind1master/aiohttp,elastic-coders/aiohttp,esaezgil/aiohttp,rutsky/aiohttp,juliatem/aiohttp,alex-eri/aiohttp-1,vaskalas/aiohttp,jettify/aiohttp,singulared/aiohttp,panda73111/aiohttp,jashandeep-sohi/aiohttp,vaskalas/aiohttp