title: A value of type 'List<Type>' can't be returned from the method 'fetchData' because it has a return type of 'Future<List<Scale>>'
body: <p>I have an error when I tried to run de future: DB_helper().fetchData(),</p>
  <pre class="lang-dart prettyprint-override"><code>    Future&lt;List&lt;Scale&gt;&gt;fetchData() async {
      final Database db = await _initDatabase();
      final List&lt;Map&lt;String, dynamic&gt;&gt; queryResult = await db.query(table);
      //inspect(queryResult);
      return queryResult.map((e) =&gt; Scale).toList(); //error
    }
  </code></pre>