new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from django import forms
  
  from .models import Image
  from .widgets import MultipleUpload
  
  
  class ImageModelForm(forms.ModelForm):
      image = forms.FileField(required=False, widget=MultipleUpload())
  
      class Meta:
          model = Image
  
      def more_image(self):
          more_image = self.files.getlist('image')[:]
          if len(more_image) >= 2:
              del more_image[-1]
              return more_image
          return []
  
subject: create images forms, ImageModelForm, add method more_image