message: replaces localhost with 127.0.0.1 to test hypothesis
diff: @@ -16,14 +16,14 @@ const {ServerManager} = require('./servermanager.js')
  const {PythonEnvManager} = require('./envmanager.js')
  const {waitUntilServerResponds} = require('./util.js')
  -let appWindowUrl = 'http://localhost:31950/'
  +let appWindowUrl = 'http://127.0.0.1:31950/'
  let mainWindow
  let mainLogger
  let serverManager = new ServerManager()
  if (process.env.NODE_ENV === 'development'){
  require('electron-debug')({showDevTools: 'undocked'});
  - appWindowUrl = 'http://localhost:8090/'
  + appWindowUrl = 'http://127.0.0.1:8090/'
  }
  function createWindow (windowUrl) {
  @@ -97,7 +97,7 @@ function startUp () {
  serverManager.start()
  waitUntilServerResponds(
  () => createWindow(appWindowUrl),
  - 'http://localhost:31950/'
  + 'http://127.0.0.1:31950/'
  )
  addMenu()
  initAutoUpdater()
  