old_contents: from django.core.exceptions import ValidationError
  import settings
  
  def validate_max(value):
          if value > settings.SET_PARAMETER:
              raise ValidationError(u'There are only 0-%s positions' % settings.SET_PARAMETER)
new_contents: from django.core.exceptions import ValidationError
  import settings
  
  def validate_max(value):
          if value >= settings.TROPHY_COUNT:
              raise ValidationError(u'There are only 0-%s positions' % (settings.TROPHY_COUNT-1))
subject: change function name