old_contents: """
  A management command which deletes expired keys (e.g.,
  keys which were never activated) from the database.
  
  Calls ``InvitationKey.objects.delete_expired_keys()``, which
  contains the actual logic for determining which keys are deleted.
  
  """
  
  from django.core.management.base import BaseCommand
  
  from invitation.models import InvitationKey
  
  
  class Command(BaseCommand):
      help = "Delete expired invitations' keys from the database"
  
      def handle_noargs(self, **options):
          InvitationKey.objects.delete_expired_keys()
  
new_contents: """
  A management command which deletes expired keys (e.g.,
  keys which were never activated) from the database.
  
  Calls ``InvitationKey.objects.delete_expired_keys()``, which
  contains the actual logic for determining which keys are deleted.
  
  """
  
  from django.core.management.base import BaseCommand
  
  from invitation.models import InvitationKey
  
  
  class Command(BaseCommand):
      help = "Delete expired invitations' keys from the database"
  
      def handle(self, **options):
          InvitationKey.objects.delete_expired_keys()
  
subject: fix incorrect method name