         @el.find('.artifact-classifier').show()
       exit: ->
         @disableMarkingSurfaces()
-        @el.find('.artifact-classifier').hide() 
+        @el.find('.artifact-classifier').hide()
 
   constructor: ->
     super


  disableMarkingSurfaces: =>
    surface.disable() for surface in @markingSurfaceList
    
  enableMarkingSurfaces: =>
    surface.enable() for surface in @markingSurfaceList


        # reset asteroid/artifact selector
        for e in @el.find('input[name="classifier-type"]')
          e.checked = false
        @el.find('button[name="to-select"]').addClass 'hidden'
        @el.find('.what-kind').show()

      exit: ->
