old_contents: import mount from '@conveyal/woonerf/mount'
  
  import admin from './admin/reducers'
  import alerts from './alerts/reducers'
  import App from './common/containers/App'
  import editor from './editor/reducers'
  import gtfs from './gtfs/reducers'
  import * as gtfsPlusReducers from './gtfsplus/reducers'
  import * as managerReducers from './manager/reducers'
  import signs from './signs/reducers'
  
  mount({
    app: App,
    reducers: {
      ...managerReducers,
      admin,
      alerts,
      signs,
      ...gtfsPlusReducers,
      editor,
      gtfs
    }
  })
  
new_contents: import mount from '@conveyal/woonerf/mount'
  
  import admin from './admin/reducers'
  import alerts from './alerts/reducers'
  import App from './common/containers/App'
  import editor from './editor/reducers'
  import gtfs from './gtfs/reducers'
  import * as gtfsPlusReducers from './gtfsplus/reducers'
  import * as managerReducers from './manager/reducers'
  
  mount({
    app: App,
    reducers: {
      ...managerReducers,
      admin,
      alerts,
      ...gtfsPlusReducers,
      editor,
      gtfs
    }
  })
  
subject: remove reducer import