old_contents: from django import forms
  from cyder.base.mixins import UsabilityFormMixin
  from cyder.cydhcp.supernet.models import Supernet
  
  
  class SupernetForm(forms.ModelForm, UsabilityFormMixin):
      class Meta:
          model = Supernet
          exclude = ('start_lower', 'start_upper',
                     'end_lower', 'end_upper')
          widgets = {'ip_type': forms.RadioSelect}
  
new_contents: from django import forms
  from cyder.base.mixins import UsabilityFormMixin
  from cyder.cydhcp.supernet.models import Supernet
  
  
  class SupernetForm(forms.ModelForm, UsabilityFormMixin):
      class Meta:
          model = Supernet
          exclude = ('start_lower', 'start_upper',
                     'end_lower', 'end_upper')
          widgets = {'ip_type': forms.RadioSelect,
                     'description': forms.Textarea}
  
subject: make supernet description field a text area