fix E_NOTICE "Undefined index: mode"
fix E_NOTICE "Undefined index: mode"

prolixtechnikos/LiipImagineBundle,prolixtechnikos/LiipImagineBundle,robfrawley/LiipImagineBundle,liip/LiipImagineBundle,liip/LiipImagineBundle,robfrawley/LiipImagineBundle,prolixtechnikos/LiipImagineBundle