title: flutter error:The argument type 'Future<Image>' can't be assigned to the parameter type 'Widget'
body: <p>i'm using flutter flame library and got this error</p>
  
  <blockquote>
  <pre><code>The argument type 'Future&lt;Image&gt;' can't be assigned to the parameter
  type 'Widget'.
  </code></pre>
  </blockquote>
  
  <p>my code is:</p>
  
  <pre><code>import 'package:flutter/material.dart';
  import 'package:flame/flame.dart';
  
  class TileMap extends StatefulWidget {
    @override
    _TileMapState createState() =&gt; _TileMapState();
  }
  
  class _TileMapState extends State&lt;TileMap&gt; {
    @override
    Widget build(BuildContext context) {
      return Container(
        child: Flame.images.load('grass_05.png'),
      );
    }
  }
  </code></pre>
  
  <p>how to fix it?
  and what's the problem?
  thank's to all</p>