Get rid of using undocumented subprocess.Popen method
Get rid of using undocumented subprocess.Popen method

haypo/trollius,jashandeep-sohi/asyncio,gsb-eng/asyncio,Martiusweb/asyncio,manipopopo/asyncio,vxgmichel/asyncio,haypo/trollius,manipopopo/asyncio,1st1/asyncio,1st1/asyncio,fallen/asyncio,gvanrossum/asyncio,fallen/asyncio,Martiusweb/asyncio,ajdavis/asyncio,ajdavis/asyncio,1st1/asyncio,jashandeep-sohi/asyncio,manipopopo/asyncio,vxgmichel/asyncio,fallen/asyncio,gsb-eng/asyncio,Martiusweb/asyncio,gvanrossum/asyncio,vxgmichel/asyncio,haypo/trollius,gvanrossum/asyncio,jashandeep-sohi/asyncio,gsb-eng/asyncio,ajdavis/asyncio