title: Module not found: Can't resolve '@date-io/date-fns'
body: <p>I'm using <a href="https://material-ui.com" rel="noreferrer">React Material UI</a> and I get this error : Module not found: Can't resolve '@date-io/date-fns'.</p>
  
  <p>Here are the dependencies that I have in my package.json file :</p>
  
  <pre><code>"dependencies": {
      "@date-io/date-fns": "^2.0.0",
      "@material-ui/core": "^4.9.5",
      "@material-ui/pickers": "^3.2.10",
      "@testing-library/jest-dom": "^4.2.4",
      "@testing-library/react": "^9.5.0",
      "@testing-library/user-event": "^7.2.1",
      "axios": "^0.19.2",
      "date-fns": "^2.0.0",
      "react": "^16.13.0",
      "react-dom": "^16.13.0",
      "react-facebook-login": "^4.1.1",
      "react-google-login": "^5.1.14",
      "react-google-maps": "^9.4.5",
      "react-hook-form": "^5.2.0",
      "react-router": "^5.1.2",
      "react-router-dom": "^5.1.2",
      "react-scripts": "3.4.0"
    },
  </code></pre>
  
  <p>I tried installing the last version of date-io/date-fns, then tried the version 2.0.0 and version 1.0.0 and I still get the same error.</p>