title: why i have this error "Expected an assignment or function call and instead saw an expression no-unused-expressions"?
body: <p>// here is my code </p>
  
  <pre><code>import React, { Component } from "react";
  
  class Todos extends Component {
    render() {
      return (
        this.props.todos.map(todo =&gt; {
          &lt;h1&gt;{todo.title}&lt;/h1&gt;
        })
      )
    }
  }
  </code></pre>
  
  <p>export default Todos;</p>