old_contents: import datetime
  from django.core.management.base import NoArgsCommand
  
  class Command(NoArgsCommand):
      help = "Can be run as a cronjob or directly to clean out old Hits objects from the database."
  
      def handle_noargs(self, **options):
          from django.db import transaction
          from hitcount.models import Hit
          from django.conf import settings
          grace = getattr(settings, 'HITCOUNT_KEEP_HIT_IN_DATABASE', {'days':30})
          period = datetime.datetime.now() - datetime.timedelta(**grace)
          Hit.objects.filter(created__lt=period).delete()
          transaction.commit_unless_managed()
  
new_contents: import datetime
  from django.utils.timezone import now
  from django.core.management.base import NoArgsCommand
  
  class Command(NoArgsCommand):
      help = "Can be run as a cronjob or directly to clean out old Hits objects from the database."
  
      def handle_noargs(self, **options):
          from django.db import transaction
          from hitcount.models import Hit
          from django.conf import settings
          grace = getattr(settings, 'HITCOUNT_KEEP_HIT_IN_DATABASE', {'days':30})
          period = now() - datetime.timedelta(**grace)
          Hit.objects.filter(created__lt=period).delete()
          transaction.commit_unless_managed()
  
subject: Update hitcount_cleanup.py