add in a fix for the problems caused by sierra's update
add in a fix for the problems caused by sierra's update

pagodabox/nanobox-cli,nanobox-io/nanobox,nanobox-io/nanobox-cli,pagodabox/nanobox-cli,nanobox-io/nanobox-cli,nanobox-io/nanobox-cli,nanobox-io/nanobox