title: django Lists are not currently supported in HTML input
body: <p>Sorry for my english. I want create field, this field must contains list of files. </p>
  
  <p>my serializer:</p>
  
  <pre><code>class FileSerializer(serializers.Serializer):
      file = serializers.FileField()
  
  class MySerializer(serializers.Serializer):
      list_files = FileSerializer(many=True, required=False)
  </code></pre>
  
  <p>But in UI i have this text</p>
  
  <blockquote>
    <p>List files</p>
    
    <p>Lists are not currently supported in HTML input.</p>
  </blockquote>
  
  <p>How i can fix it? </p>