old_contents: # -*- coding: utf-8 -*-
  
  import django
  from django.db import models
  
  
  class OrgManager(models.Manager):
  
      def get_for_user(self, user):
          uid = user.id # bypass SimpleLazyObject error
          if uid is None:
              self.get_query_set().none()
          if django.VERSION < (1, 7):
              return self.get_query_set().filter(users=user)
          else:
              return self.get_queryset().filter(users=user)
  
  
  class ActiveOrgManager(OrgManager):
      """
      A more useful extension of the default manager which returns querysets
      including only active organizations
      """
  
      def get_queryset(self):
          super_ = super(ActiveOrgManager, self)
          if django.VERSION < (1, 7):
              qs = super_.get_query_set()
          else:
              qs = super_.get_queryset()
  
          return qs.filter(is_active=True)
  
      if django.VERSION < (1, 7):
          get_query_set = get_queryset
  
new_contents: # -*- coding: utf-8 -*-
  
  import django
  from django.db import models
  
  
  class OrgManager(models.Manager):
  
      def get_for_user(self, user):
          uid = user.id # bypass SimpleLazyObject error
          if django.VERSION < (1, 7):
              if uid is None:
                  self.get_query_set().none()
              return self.get_query_set().filter(users=user)
          else:
              if uid is None:
                  self.get_queryset().none()
              return self.get_queryset().filter(users=user)
  
  
  class ActiveOrgManager(OrgManager):
      """
      A more useful extension of the default manager which returns querysets
      including only active organizations
      """
  
      def get_queryset(self):
          super_ = super(ActiveOrgManager, self)
          if django.VERSION < (1, 7):
              qs = super_.get_query_set()
          else:
              qs = super_.get_queryset()
  
          return qs.filter(is_active=True)
  
      if django.VERSION < (1, 7):
          get_query_set = get_queryset
  
subject: Update managers.py