Fix a spot where we were expecting os.IsNotExist() and now we should expect errors.IsNoEnv()
Fix a spot where we were expecting os.IsNotExist() and now we should expect errors.IsNoEnv()

gabriel-samfira/juju,davecheney/juju,kat-co/juju,perrito666/juju,tasdomas/juju,tasdomas/juju,gabriel-samfira/juju,ericsnowcurrently/juju,dooferlad/juju,tasdomas/juju,mhilton/juju-juju,reedobrien/juju,mikemccracken/juju,dooferlad/juju,dooferlad/juju,marcmolla/juju,cherylj/juju,perrito666/juju,tsakas/juju,axw/juju,cmars/juju,jrwren/juju,mhilton/juju,frankban/juju-tmp,cmars/juju,frankban/juju,ericsnowcurrently/juju,rogpeppe/juju,Altoros/juju-vmware,bz2/juju,gabriel-samfira/juju,mhilton/juju-juju,mikemccracken/juju,Altoros/juju-cloudsigma,sinzui/juju,bac/juju,frankban/juju,macgreagoir/juju,mattyw/juju,alesstimec/juju,mjs/juju,bac/juju,alesstimec/juju,mhilton/juju,tych0/juju,frobware/juju,fwereade/juju,fwereade/juju,anastasiamac/juju,waigani/juju,frobware/juju,mjs/juju,makyo/juju,marcoceppi/juju,ericsnowcurrently/juju,thomnico/juju,reedobrien/juju,axw/juju,wwitzel3/juju,wwitzel3/juju,marcmolla/juju,kat-co/juju,Altoros/juju-cloudsigma,cmars/juju,dimitern/juju,kat-co/juju,makyo/juju,perrito666/juju,AdamIsrael/juju,bac/juju,tasdomas/juju,macgreagoir/juju,tych0/juju,dimitern/juju,howbazaar/juju,cloud-green/juju,voidspace/juju,axw/juju,fwereade/juju,Altoros/juju-vmware,voidspace/juju,jrwren/juju,bogdanteleaga/juju,cloud-green/juju,cherylj/juju,ericsnowcurrently/juju,fwereade/juju,perrito666/juju,dimitern/juju,dooferlad/juju,reedobrien/juju,dooferlad/juju,bogdanteleaga/juju,reedobrien/juju,anastasiamac/juju,waigani/juju,AdamIsrael/juju,thomnico/juju,marcmolla/juju,anastasiamac/juju,howbazaar/juju,thomnico/juju,wwitzel3/juju,kat-co/juju,Altoros/juju-cloudsigma,marcoceppi/juju,frankban/juju-tmp,bogdanteleaga/juju,waigani/juju,mhilton/juju-juju,wwitzel3/juju,davecheney/juju,Altoros/juju-cloudsigma,bz2/juju,jrwren/juju,Altoros/juju-vmware,frankban/juju-tmp,axw/juju,gabriel-samfira/juju,frobware/juju,macgreagoir/juju,makyo/juju,alesstimec/juju,marcoceppi/juju,sinzui/juju,tsakas/juju,macgreagoir/juju,bz2/juju,mjs/juju,kat-co/juju,voidspace/juju,alesstimec/juju,makyo/juju,frankban/juju,cmars/juju,gabriel-samfira/juju,frankban/juju,mattyw/juju,frankban/juju-tmp,dimitern/juju,howbazaar/juju,Altoros/juju-vmware,reedobrien/juju,rogpeppe/juju,bac/juju,cloud-green/juju,cherylj/juju,mhilton/juju,bac/juju,howbazaar/juju,anastasiamac/juju,howbazaar/juju,davecheney/juju,alesstimec/juju,mattyw/juju,marcmolla/juju,mhilton/juju-juju,mikemccracken/juju,thomnico/juju,macgreagoir/juju,tych0/juju,bogdanteleaga/juju,perrito666/juju,waigani/juju,voidspace/juju,tsakas/juju,anastasiamac/juju,rogpeppe/juju,frankban/juju,mjs/juju,davecheney/juju,dimitern/juju,bz2/juju,marcoceppi/juju,tych0/juju,AdamIsrael/juju,ericsnowcurrently/juju,sinzui/juju,mjs/juju,bz2/juju,mattyw/juju,mikemccracken/juju,reedobrien/store,mjs/juju,AdamIsrael/juju,sinzui/juju,tsakas/juju,cloud-green/juju,marcmolla/juju,mikemccracken/juju,mjs/juju,cherylj/juju,axw/juju,mhilton/juju