[dev] locating the system python2 to create the virtualenv (#2567)
[dev] locating the system python2 to create the virtualenv (#2567)

[skip ci]
Wattpad/dd-agent,takus/dd-agent,manolama/dd-agent,takus/dd-agent,manolama/dd-agent,indeedops/dd-agent,manolama/dd-agent,cberry777/dd-agent,cberry777/dd-agent,manolama/dd-agent,Wattpad/dd-agent,Wattpad/dd-agent,jyogi/purvar-agent,takus/dd-agent,indeedops/dd-agent,indeedops/dd-agent,manolama/dd-agent,cberry777/dd-agent,Wattpad/dd-agent,cberry777/dd-agent,jyogi/purvar-agent,jyogi/purvar-agent,indeedops/dd-agent,jyogi/purvar-agent,takus/dd-agent,Wattpad/dd-agent,jyogi/purvar-agent,cberry777/dd-agent,takus/dd-agent,indeedops/dd-agent