fix portmapper worker close
fix portmapper worker close

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