fixing up package view
fixing up package view

 * forgotten string interpolation in error message
 * handle no details scenario (for completeness)

whitmo/CheesePrism,sciyoshi/CheesePrism,SMFOSS/CheesePrism,sciyoshi/CheesePrism,whitmo/CheesePrism,SMFOSS/CheesePrism,whitmo/CheesePrism