<s> from django import forms <EOL> from mozdns . ptr . models import PTR <EOL> from mozdns . forms import BaseForm <EOL> class PTRForm ( BaseForm ) : <EOL> def delete_instance ( self , instance ) : <EOL> instance . delete ( ) <EOL> class Meta : <EOL> model = PTR <EOL> exclude = ( '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , <EOL> '<STR_LIT>' ) <EOL> include = ( '<STR_LIT:name>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT>' , '<STR_LIT:description>' ) <EOL> widgets = { '<STR_LIT>' : forms . CheckboxSelectMultiple } </s>
