Don't draw empty slices.
Don't draw empty slices.

benpickles/peity,wallisnow/peity,dbirchak/peity,wallisnow/peity,FabMeg/tripping-wight,wallisnow/peity,benpickles/peity,dbirchak/peity,FabMeg/tripping-wight,dbirchak/peity,benpickles/peity