old_contents: """ Custom happening database manipulation. """
  
  from django.contrib.sites.managers import CurrentSiteManager as Manager
  from django.db import models
  from django.contrib.sites.models import Site
  from multihost import sites
  import os
  
  
  class Model(models.Model):
  
      """ Custom model for use in happening.
  
      Ensures that models are owned by a particular site.
      """
  
      class Meta:
          abstract = True
  
      site = models.ForeignKey(Site)
      objects = Manager()
  
      def save(self, *args, **kwargs):
          """ Ensure there is a site for this instance. """
          if 'scdtest' in os.environ:
              self.site = Site.objects.first()
          else:
              self.site = sites.by_host()
          return super(Model, self).save(*args, **kwargs)
  
new_contents: """ Custom happening database manipulation. """
  
  from django.contrib.sites.managers import CurrentSiteManager as Manager
  from django.db import models
  from django.contrib.sites.models import Site
  from multihost import sites
  import os
  
  
  class Model(models.Model):
  
      """ Custom model for use in happening.
  
      Ensures that models are owned by a particular site.
      """
  
      class Meta:
          abstract = True
  
      site = models.ForeignKey(Site)
      objects = Manager()
  
      def save(self, *args, **kwargs):
          """ Ensure there is a site for this instance. """
          if 'scdtest' in os.environ or 'travis' in os.environ:
              self.site = Site.objects.first()
          else:
              self.site = sites.by_host()
          return super(Model, self).save(*args, **kwargs)
  
subject: Make travis tests work with sites