We raise InvalidContainerError, not KeyError when a container was not found
We raise InvalidContainerError, not KeyError when a container was not found

hmflash/Cura,Curahelper/Cura,Curahelper/Cura,ynotstartups/Wanhao,fieldOfView/Cura,hmflash/Cura,ynotstartups/Wanhao,fieldOfView/Cura