Pin tox to latest version 2.3.1 (#1257)
Pin tox to latest version 2.3.1 (#1257)


AraHaanOrg/aiohttp,singulared/aiohttp,rutsky/aiohttp,arthurdarcet/aiohttp,pfreixes/aiohttp,KeepSafe/aiohttp,panda73111/aiohttp,pfreixes/aiohttp,alex-eri/aiohttp-1,AraHaanOrg/aiohttp,moden-py/aiohttp,juliatem/aiohttp,moden-py/aiohttp,KeepSafe/aiohttp,hellysmile/aiohttp,z2v/aiohttp,arthurdarcet/aiohttp,alex-eri/aiohttp-1,esaezgil/aiohttp,esaezgil/aiohttp,rutsky/aiohttp,panda73111/aiohttp,z2v/aiohttp,singulared/aiohttp,KeepSafe/aiohttp,playpauseandstop/aiohttp,panda73111/aiohttp,juliatem/aiohttp,rutsky/aiohttp,arthurdarcet/aiohttp,z2v/aiohttp,alex-eri/aiohttp-1,Eyepea/aiohttp,singulared/aiohttp,moden-py/aiohttp,esaezgil/aiohttp,hellysmile/aiohttp