**Packages**
* `"react": "^16.13.1"`
* `"eslint-plugin-react-hooks": "^4.0.8"`

The issue #18819 still happens with `eslint-plugin-react-hooks@4.0.8`.

Using the example code from the other issue gives the following errors:

![image](https://user-images.githubusercontent.com/37122343/90794940-59d9a980-e305-11ea-9ec0-98f69b41c280.png)

![image](https://user-images.githubusercontent.com/37122343/90795019-770e7800-e305-11ea-92b8-b64407b0b22c.png)


node,
      declaredDependenciesNode,
      reactiveHook,
      reactiveHookName,
      isEffect,
    ) {
      if (isEffect && node.async) {
        reportProblem({
          node: node,
          message:
            `Effect callbacks are synchronous to prevent race conditions. ` +
            `Put the async function inside:\n\n` +
            'useEffect(() => {\n' +
            '  async function fetchData() {\n' +
            '     You can await here\n' +
            '    const response = await MyAPI.getData(someId);\n' +
            '     ...\n' +
            '  }\n' +
            '  fetchData();\n' +
            `}, [someId]);  Or [] if effect doesn't need props or state\n\n` +
            'Learn more about data fetching with Hooks: https:reactjs.org/link/hooks-data-fetching',
        });
      }
      
      const scope = scopeManager.acquire(node);