Запись в модель из своей команды - Python

from django.core.management.base import BaseCommand, CommandError
from polls.models import Poll
 
class Command(BaseCommand):
    help = 'Closes the specified poll for voting'
 
    def add_arguments(self, parser):
        parser.add_argument('poll_id', nargs='+', type=int)
 
    def handle(self, *args, **options):
        for poll_id in options['poll_id']:
            try:
                poll = Poll.objects.get(pk=poll_id)
            except Poll.DoesNotExist:
                raise CommandError('Poll "%s" does not exist' % poll_id)
 
            poll.opened = False
            poll.save()
 
            self.stdout.write('Successfully closed poll "%s"' % poll_id)