Pin gunicorn to latest version 19.6.0 (#1275)
Pin gunicorn to latest version 19.6.0 (#1275)


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