title: yarn is having troubles with the network connection
body: <p>I tried to install a package with yarn earlier today and I got this</p>
  
  <pre><code>yarn install
  yarn install v1.9.4
  [1/4]   Resolving packages...
  info There appears to be trouble with your network connection. Retrying...
  info There appears to be trouble with your network connection. Retrying...
  info There appears to be trouble with your network connection. Retrying...
  info There appears to be trouble with your network connection. Retrying...
  error An unexpected error occurred: "https://registry.yarnpkg.com/eslint: getaddrinfo ENOTFOUND     registry.yarnpkg.com registry.yarnpkg.com:443".
  info If you think this is a bug, please open a bug report with the information provided in "/Users/daviddragovacz/Documents/GitHub/react-    project-one/dragi/yarn-error.log".
  info Visit https://yarnpkg.com/en/docs/cli/install for documentation about this command.
  </code></pre>
  
  <p>does anybody know how to fix this? My network seems to be okay, not slow at all.</p>
  
  <p>It happens with every package I tried.</p>
  
  <p>package.json </p>
  
  <pre><code>{
      "name": "dragi",
      "version": "0.1.0",
      "private": true,
      "dependencies": {
          "axios": "^0.18.0",
          "prop-types": "^15.6.2",
          "react": "^16.4.2",
          "react-dom": "^16.4.2",
          "react-redux": "^5.0.7",
          "react-router": "^4.3.1",
          "react-router-dom": "^4.3.1",
          "react-scripts": "1.1.5",
          "redux": "^4.0.0",
          "redux-devtools-extension": "^2.13.5",
          "redux-thunk": "^2.3.0",
          "semantic-ui-css": "^2.3.3",
          "semantic-ui-react": "^0.82.3",
          "validator": "^10.7.0"
      },
      "scripts": {
          "start": "react-scripts start",
          "build": "react-scripts build",
          "test": "react-scripts test --env=jsdom",
          "eject": "react-scripts eject",
          "lint": "eslint src"
      },
      "devDependencies": {
          "eslint": "^5.5.0",
          "eslint-config-airbnb": "^17.1.0",
          "eslint-config-prettier": "^3.0.1",
          "eslint-plugin-import": "^2.14.0",
          "eslint-plugin-jsx-a11y": "^6.1.1",
          "eslint-plugin-prettier": "^2.6.2",
          "eslint-plugin-react": "^7.11.1",
          "prettier": "^1.14.2"
      },
      "proxy": "http://localhost:8080"
  }
  </code></pre>
  
  <p>Also a quick note: npm i works fine - only yarn is having issues</p>