python cookbook: rescue new mixlib-shellout errors as well
python cookbook: rescue new mixlib-shellout errors as well

pskrz/omnibus,lvfeng1130/omnibus,servebox/omnibus,sh9189/omnibus,szechyjs/omnibus,3ofcoins/chef-omnibus,Scalr/omnibus,servebox/omnibus,rapid7/omnibus,chef/omnibus,szechyjs/omnibus,higanworks/omnibus,hugosato/omnibus,ashhher3/omnibus,rhass/omnibus,DataDog/omnibus-ruby,Altiscale/omnibus,mattray/omnibus,strangelittlemonkey/omnibus,rapid7/omnibus,higanworks/omnibus,chef/omnibus,rhass/omnibus,Scalr/omnibus,Altiscale/omnibus,pskrz/omnibus,intfrr/omnibus,adamleff/omnibus,jamesn/omnibus,ashhher3/omnibus,sh9189/omnibus,rhass/omnibus,adamleff/omnibus,ashhher3/omnibus,jamesn/omnibus,hugosato/omnibus,DataDog/omnibus-ruby,lvfeng1130/omnibus,servebox/omnibus,Scalr/omnibus,mattray/omnibus,Altiscale/omnibus,mattray/omnibus,hugosato/omnibus,strangelittlemonkey/omnibus,chef/omnibus,szechyjs/omnibus,pskrz/omnibus,strangelittlemonkey/omnibus,3ofcoins/chef-omnibus,rapid7/omnibus,3ofcoins/chef-omnibus,adamleff/omnibus,jamesn/omnibus,lvfeng1130/omnibus,intfrr/omnibus,higanworks/omnibus,sh9189/omnibus,intfrr/omnibus,DataDog/omnibus-ruby