fix error when duplicator i3 finishes print
fix error when duplicator i3 finishes print

abinashk-inf/AstroBox,AstroPrint/AstroBox,madhuni/AstroBox,AstroPrint/AstroBox,abinashk-inf/AstroBox,abinashk-inf/AstroBox,madhuni/AstroBox,abinashk-inf/AstroBox,madhuni/AstroBox,madhuni/AstroBox,AstroPrint/AstroBox