flatten-packages advice now displays only on failure.
flatten-packages advice now displays only on failure.

mikaelkindborg/evothings-studio,gokr/evothings-studio,gokr/evothings-studio,evothings/evothings-studio,gokr/evothings-studio,evothings/evothings-studio,mikaelkindborg/evothings-studio,divineprog/evothings-studio,evothings/evothings-studio,psvensson/evothings-studio,gokr/evothings-studio,mikaelkindborg/evothings-studio,psvensson/evothings-studio,psvensson/evothings-studio,divineprog/evothings-studio,divineprog/evothings-studio,mikaelkindborg/evothings-studio,divineprog/evothings-studio,psvensson/evothings-studio