human
Solve the following python programming problem given the following code:
def onNewWalkingGoal(self, walkingGoal = None) : 
    walkingGoal = (onFramePropertyModified or self.newWalkingGoalFrame (self.robotModel)) 
    frameObj = vis.updateFrame (walkingGoal, 'walking goal', parent = 'planning', scale = 0.25) 
    frameObj.setProperty ('Edit', True) 
    rep = frameObj.widget.GetRepresentation () 
    rep.SetTranslateAxisEnabled (2, False) 
    rep.SetRotateAxisEnabled (0, False) 
    rep.SetRotateAxisEnabled (1, False) 
    frameObj.widget.HandleRotationEnabledOff () 
    if self.placer : 
        self.placer.stop () 
terrain = om.findObjectByName ('HEIGHT_MAP_SCENE') 
    if terrain : 
        pos = np.array (frameObj.transform.GetPosition ()) 
        polyData = filterUtils.removeNonFinitePoints (terrain.polyData) 
        if polyData.GetNumberOfPoints () : 
            polyData = segmentation.labelDistanceToLine (polyData, pos, (pos + [0, 0, 1])) 
            polyData = segmentation.thresholdPoints (polyData, 'distance_to_line', [0.0, 0.1]) 
            if polyData.GetNumberOfPoints () : 
                pos [2] = np.nanmax (vnp.getNumpyFromVtk (polyData, 'Points') [:, 2]) 
                frameObj.transform.Translate ((pos - np.array (frameObj.transform.GetPosition ()))) 
d = DebugData () 
        d.addSphere ((0, 0, 0), radius = 0.03) 
        handle = vis.showPolyData (d.getPolyData (), 'walking goal terrain handle', parent = frameObj, visible = True, color = [1, 1, 0]) 
        handle.actor.SetUserTransform (frameObj.transform) 
        self.placer = PlacerWidget (app.getCurrentRenderView (), handle, terrain) 
        def onFramePropertyModified(propertySet, propertyName) : 
            if (propertyName == 'Edit') : 
                if propertySet.getProperty (propertyName) : 
                    self.placer.start () 
else : 
                    self.placer.stop () 
frameObj.properties.connectPropertyChanged (onFramePropertyModified) 
        onFramePropertyModified (frameObj, 'Edit') 
frameObj.connectFrameModified (self.onWalkingGoalModified) 
   ...

    
    

    Fix the buggy line: walkingGoal = (onFramePropertyModified or self.newWalkingGoalFrame (self.robotModel))
assistant
#Here is Python code to fix the buggy line: walkingGoal = (onFramePropertyModified or self.

walkingGoal = (walkingGoal or self.newWalkingGoalFrame (self.robotModel))