old_contents: from django.core.management.base import (
      BaseCommand,
  )
  
  from apps.api.models import (
      Convention,
      Contest,
      Contestant,
      Performance,
  )
  
  
  class Command(BaseCommand):
      help = "Command to denormailze data."
  
      def handle(self, *args, **options):
          vs = Convention.objects.all()
          for v in vs:
              v.save()
          ts = Contest.objects.all()
          for t in ts:
              t.save()
          cs = Contestant.objects.all()
          for c in cs:
              c.save()
          ps = Performance.objects.all()
          for p in ps:
              p.save()
          for t in ts:
              t.rank()
          return "Done"
  
new_contents: from django.core.management.base import (
      BaseCommand,
  )
  
  from apps.api.models import (
      Convention,
      Contest,
      Contestant,
      Performance,
  )
  
  
  class Command(BaseCommand):
      help = "Command to denormailze data."
  
      def handle(self, *args, **options):
          vs = Convention.objects.all()
          for v in vs:
              v.save()
          ts = Contest.objects.all()
          for t in ts:
              t.save()
          cs = Contestant.objects.all()
          for c in cs:
              c.save()
          ps = Performance.objects.all()
          for p in ps:
              p.save()
          return "Done"
  
subject: Remove ranking from denormalization command