revert ws4py upgrade because of #204
revert ws4py upgrade because of #204

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