old_contents: DASHBOARD = 'rackspace'
  
  ADD_INSTALLED_APPS = [
      'rackspace',
  ]
  
  # If set to True, this dashboard will not be added to the settings.
  DISABLED = False
  
new_contents: DASHBOARD = 'rackspace'
  
  ADD_INSTALLED_APPS = [
      'rackspace',
  ]
  
  ADD_ANGULAR_MODULES = ['horizon.dashboard.rackspace']
  
  # If set to True, this dashboard will not be added to the settings.
  DISABLED = False
  
subject: Fix enabled file installed from horizon-extensions