old_contents: from django.db import models
  
  
  class TweetManager(models.Manager):
  
      def get_queryset(self):
          return super(TweetManager, self).get_queryset().exclude(deleted=True)
  
new_contents: from django.db import models
  
  
  class TweetManager(models.Manager):
  
      def get_queryset(self):
          from models import MarketAccount
  
          accounts = MarketAccount.objects.all().values_list('handle', flat=True)
          return super(TweetManager, self).get_queryset().exclude(handle__in=accounts).exclude(deleted=True)
  
subject: set manager to not show the offical tweets by default