def change_view(self, request, object_id, form_url='<STR_LIT>', extra_context={}):
extra_context['<STR_LIT>'] = self.buttons_link<EOL>extra_context['<STR_LIT>'] = self.buttons_form<EOL>extra_context['<STR_LIT>'] = object_id<EOL>return super(ButtonableModelAdmin, self).change_view(request, object_id, form_url, extra_context)<EOL>
It adds ButtonLinks and ButtonForms to extra_context used in the change_form template