old_contents: import Node from './Node'
  
  export default
  class PushPaneLayout extends Node {
      constructor(...args) {
          console.log(' -- PushPaneLayout created')
          super(...args)
      }
  }
  
new_contents: import Node from '../core/Node'
  
  export default
  class PushPaneLayout extends Node {
      constructor(...args) {
          console.log(' -- PushPaneLayout created')
          super(...args)
      }
  }
  
subject: fix one more wrong import path