old_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  import django
  
  from paypal.standard.forms import PayPalStandardBaseForm
  from paypal.standard.pdt.models import PayPalPDT
  
  
  class PayPalPDTForm(PayPalStandardBaseForm):
      class Meta:
          model = PayPalPDT
          if django.VERSION >= (1, 6):
              fields = '__all__'
  
new_contents: #!/usr/bin/env python
  # -*- coding: utf-8 -*-
  from __future__ import unicode_literals
  
  import django
  
  from paypal.standard.forms import PayPalStandardBaseForm
  from paypal.standard.pdt.models import PayPalPDT
  
  
  class PayPalPDTForm(PayPalStandardBaseForm):
      class Meta:
          model = PayPalPDT
          if django.VERSION >= (1, 6):
              exclude = ('ipaddress', 'flag', 'flag_code', 'flag_info', 'query', 'response', 'created_at', 'updated', 'form_view',)
  
subject: Add non-PayPal fields to exclude