fix bug

Author: anla-xu

pymycobot/generate.py

@@ -1174,7 +1174,7 @@ def set_gripper_protect_current(self, current):
         """
         self.calibration_parameters(class_name = self.__class__.__name__, current=current)
 
-        return self._mesg(ProtocolCode.SetGripperProtectCurrent, current)
+        return self._mesg(ProtocolCode.SetGripperProtectCurrent, [current])
 
     def set_four_pieces_zero(self):
         """Set the zero position of the four-piece motor