title: Definition for rule 'jsx-a11y/img-has-alt' was not found thrown for import statements
body: <p>I am using <code>eslint</code> with airbnb code styles and I just upgraded all my <code>npm</code> packages. Now I see the error</p>
  
  <blockquote>
    <p>1:1   error  Definition for rule 'jsx-a11y/img-has-alt' was not found   jsx-a11y/img-has-alt</p>
  </blockquote>
  
  <p>for each first <code>import</code> statement in all of my JavaScript files. This is my <code>package.json</code></p>
  
  <pre><code>{
    "name": "oembed",
    "version": "0.0.1",
    "description": "oEmbed API for embedding content at welt.de",
    "engines": {
      "node": "6.2.1",
      "npm": "3.9.3"
    },
    "main": "server.js",
    "scripts": {
      "dev-webpack": "webpack --progress --colors --watch --config webpack.config.dev.js",
      "dev-server": "NODE_ENV=development nodemon ./server/dist/server.dev.js",
      "dev": "concurrently --kill-others -r \"npm run dev-server\" \"npm run dev-webpack\"",
      "lint": "eslint server/src *.js",
      "build-webpack": "webpack --config webpack.config.prod.js",
      "build": "npm run lint &amp;&amp; npm run test &amp;&amp; npm run build-webpack",
      "test-watch": "NODE_ENV=test mocha --compilers js:babel-core/register --colors -w ./server/test/*.spec.js ./server/test/**/*.spec.js",
      "test": "NODE_ENV=test mocha --compilers js:babel-core/register --colors ./server/test/*.spec.js ./server/test/**/*.spec.js",
      "report-coverage": "NODE_ENV=test nyc --reporter=lcov --report-dir ./server/coverage npm test",
      "show-coverage": "open ./server/coverage/lcov-report/index.html",
      "coverage": "npm run report-coverage &amp;&amp; npm run show-coverage",
      "prestart": "npm run build-webpack",
      "start": "NODE_ENV=production node ./server/dist/server.prod.js weltn24-oembed-service",
      "stop": "killall -SIGINT weltn24-oembed-service"
    },
    "repository": {
      "type": "git",
      "url": "git+https://github.com/WeltN24/oembed.git"
    },
    "keywords": [
      "oembed",
      "embed"
    ],
    "author": "Lukas Bombach",
    "license": "ISC",
    "bugs": {
      "url": "https://github.com/WeltN24/oembed/issues"
    },
    "homepage": "https://github.com/WeltN24/oembed#readme",
    "dependencies": {
      "aws-sdk": "^2.3.19",
      "compression": "^1.6.2",
      "cookie-parser": "^1.4.3",
      "cors": "^2.7.1",
      "debug": "^2.2.0",
      "es6-promisify": "^5.0.0",
      "express": "^4.13.4",
      "express-healthcheck": "^0.1.0",
      "express-winston": "^2.4.0",
      "html-minifier": "^3.4.4",
      "http-status": "^1.0.1",
      "i": "^0.3.5",
      "is-json": "^2.0.1",
      "joi": "^10.4.1",
      "json-promise": "^1.1.8",
      "lru-cache": "^4.0.1",
      "md5": "^2.1.0",
      "morgan": "^1.7.0",
      "mustache": "^2.2.1",
      "node-fetch": "^1.6.3",
      "npm": "^4.5.0",
      "regexp-clone": "0.0.1",
      "request": "^2.72.0",
      "winston": "^2.2.0",
      "winston-logentries": "^3.0.0",
      "xml2js": "^0.4.17",
      "xregexp": "^3.1.1",
      "xss": "^0.3.3"
    },
    "devDependencies": {
      "babel-core": "^6.9.1",
      "babel-eslint": "^7.2.3",
      "babel-loader": "^7.0.0",
      "babel-polyfill": "^6.9.1",
      "babel-preset-env": "^1.4.0",
      "babel-preset-es2015": "^6.9.0",
      "babel-preset-stage-0": "^6.5.0",
      "chai": "^3.5.0",
      "chai-as-promised": "^6.0.0",
      "chai-joi": "^1.1.0",
      "chai-json-schema": "^1.2.0",
      "chai-string": "^1.2.0",
      "concurrently": "^3.4.0",
      "cz-conventional-changelog": "^2.0.0",
      "eslint": "^3.19.0",
      "eslint-config-airbnb": "^14.1.0",
      "eslint-plugin-import": "^2.2.0",
      "eslint-plugin-jsx-a11y": "^5.0.1",
      "eslint-plugin-react": "^7.0.0",
      "ghooks": "^2.0.0",
      "istanbul": "^0.4.3",
      "mocha": "^3.3.0",
      "mocha-lcov-reporter": "^1.2.0",
      "nodemon": "^1.9.2",
      "nyc": "^10.3.2",
      "sinon": "^2.2.0",
      "sinon-chai": "^2.8.0",
      "supertest": "^3.0.0",
      "supertest-as-promised": "^4.0.2",
      "supertest-chai": "0.0.8",
      "webpack": "^2.5.1",
      "webpack-config": "^7.0.0",
      "webpack-node-externals": "^1.2.0"
    },
    "babel": {
      "presets": [
        [
          "env",
          {
            "targets": {
              "node": "current"
            }
          }
        ]
      ]
    },
    "eslintConfig": {
      "extends": "airbnb",
      "parser": "babel-eslint",
      "ecmaFeatures": {
        "classes": true
      },
      "rules": {
        "no-underscore-dangle": "off",
        "no-throw-literal": "off",
        "max-len": "off"
      },
      "plugins": [
        "jsx-a11y"
      ]
    }
  }
  </code></pre>