old_contents: #!/usr/bin/env python
  from django import forms
  from django.contrib.sites.models import Site
  
  from feedback.models import Feedback
  
  class FeedbackForm(forms.ModelForm):
      '''The form shown when giving feedback'''
      class Meta:
          model = Feedback
          #exclude = ('site', 'url')
  
  # vim: et sw=4 sts=4
  
new_contents: #!/usr/bin/env python
  from django import forms
  from django.contrib.sites.models import Site
  
  from feedback.models import Feedback
  
  class FeedbackForm(forms.ModelForm):
      '''The form shown when giving feedback'''
      class Meta:
          model = Feedback
          fields = "__all__"
          #exclude = ('site', 'url')
  
  # vim: et sw=4 sts=4
  
subject: fix for Django 1.8