old_contents: import React from 'react'
  import ReactDOM from 'react-dom'
  import { initWallet } from './main.js'
  
  ReactDOM.render(initWallet(), document.getElementById('react-root'))
  
new_contents: import ReactDOM from 'react-dom'
  import { initWallet } from './main.js'
  
  ReactDOM.render(initWallet(), document.getElementById('react-root'))
  
subject: remove unused `react`