old_contents: 
  
  from traits.api import HasTraits, Instance
  from traitsui.api import View, UItem, Item, RangeEditor, Group, VGroup, HGroup
  from enable.api import ComponentEditor
  
  from enable.gadgets.vu_meter import VUMeter
  
  
  class Demo(HasTraits):
  
      vu = Instance(VUMeter)
  
      traits_view = \
          View(
              HGroup(
                  VGroup(
                      VGroup(
                          Group(
                              UItem('vu', editor=ComponentEditor(size=(60, 60)),
                                           style='custom'),
                          ),
                          Item('object.vu.percent',
                               editor=RangeEditor(low=0.0, high=200.0,
                                                  mode='slider')),
                      ),
                      '_',
                      VGroup(
                          Item('object.vu.angle', label="angle",
                               editor=RangeEditor(low=0.0, high=89.0,
                                                  mode='slider')),
                          Item('object.vu._beta',
                               editor=RangeEditor(low=0.0, high=1.0,
                                                  mode='slider')),
                      ),
                  ),
              ),
              width=450,
              height=380,
              title="VU Meter",
              resizable=True,
          )
  
  
  if __name__ == "__main__":
      color = (0.9, 0.85, 0.7)
      vu = VUMeter(border_visible=True, border_width=2, bgcolor=color)
  
      demo = Demo(vu=vu)
      demo.configure_traits()
  
new_contents: 
  
  from traits.api import HasTraits, Instance
  from traitsui.api import View, UItem, Item, RangeEditor, Group, VGroup
  from enable.api import ComponentEditor
  
  from enable.gadgets.vu_meter import VUMeter
  
  
  class Demo(HasTraits):
  
      vu = Instance(VUMeter)
  
      traits_view = \
          View(
              VGroup(
                  Group(
                      UItem('vu', editor=ComponentEditor(size=(60, 60)),
                                   style='custom'),
                  ),
                  Item('object.vu.percent',
                       editor=RangeEditor(low=0.0, high=200.0,
                                          mode='slider')),
              ),
              '_',
              VGroup(
                  Item('object.vu.angle', label="angle",
                       editor=RangeEditor(low=0.0, high=89.0,
                                          mode='slider')),
                  Item('object.vu._beta',
                       editor=RangeEditor(low=0.0, high=1.0,
                                          mode='slider')),
              ),
              width=450,
              height=380,
              title="VU Meter",
              resizable=True,
          )
  
  
  if __name__ == "__main__":
      color = (0.9, 0.85, 0.7)
      vu = VUMeter(border_visible=True, border_width=2, bgcolor=color)
  
      demo = Demo(vu=vu)
      demo.configure_traits()
  
subject: Remove extraneous Groups from the View in the VU Meter demo.