new_contents: from bets.models import BetPoint, TournamentBet
  
  
  def run():
      # fetch all betpoint and delete them : 
      BetPoint.objects.all().delete()
  
      # Fetch TournamentBet and set 0 to points_won
      tb = TournamentBet.objects.all()
      for t in tb:
          t.points_won = 0
          t.save()
  
  
subject: add a script to reset points