def setSaturation(self, isThisUser, sat):
        """ setSaturation(isThisUser: bool, sat: float) -> None        
        Set the color of this version depending on whose is the user
        and its saturation
        
        """
        if not self.ghosted:
            if isThisUser:
                brush = CurrentTheme.VERSION_USER_BRUSH
            else:
                brush = CurrentTheme.VERSION_OTHER_BRUSH

            (h, s, v, a) = brush.color().getHsvF()
            newHsv = (h, s*sat, v+(v-1.0)*(1-sat), a)
            self.versionBrush = QtGui.QBrush(QtGui.QColor.fromHsvF(*newHsv))
dataset/ETHPy150Open VisTrails/VisTrails/vistrails/gui/version_view.py/QGraphicsVersionItem.setSaturation/swapped operands of `-`