old_contents: from plstackapi.openstack.client import OpenStackClient
  from plstackapi.openstack.driver import OpenStackDriver
  from plstackapi.planetstack.api.auth import auth_check
  from plstackapi.planetstack.models import Site
   
  
  def add_site(auth, **fields):
      driver = OpenStackDriver(client = auth_check(auth))
      site = Site(**fields)
      nova_fields = {'tenant_name': fields['login_base'],
                     'description': fields['name'],
                     'enabled': fields['enabled']}    
      tenant = driver.create_tenant(**nova_fields)
      site.tenant_id=tenant.id
      site.save()
      return site
  
  def update_site(auth, login_base, **fields):
      driver = OpenStackDriver(client = auth_check(auth))
      sites = Site.objects.filter(login_base=login_base)
      if not sites:
          return
  
      site = Site[0]
      nova_fields = {}
      if 'description' in fields:
          nova_fields['description'] = fields['name']
      if 'enabled' in fields:
          nova_fields['enabled'] = fields['enabled']
      driver.update_tenant(site.tenant_id, **nova_fields)
      site.update(**fields)
      return site 
  
  def delete_site(auth, filter={}):
      driver = OpenStackDriver(client = auth_check(auth))   
      sites = Site.objects.filter(**filter)
      for site in sites:
          driver.delete_tenant({'id': site.tenant_id}) 
          site.delete()
      return 1
  
  def get_sites(auth, filter={}):
      client = auth_check(auth)
      sites = Site.objects.filter(**filter)
      return sites             
          
  
      
  
new_contents: from plstackapi.openstack.client import OpenStackClient
  from plstackapi.openstack.driver import OpenStackDriver
  from plstackapi.planetstack.api.auth import auth_check
  from plstackapi.planetstack.models import Site
   
  
  def add_site(auth, fields):
      driver = OpenStackDriver(client = auth_check(auth))
      site = Site(**fields)
      nova_fields = {'tenant_name': fields['login_base'],
                     'description': fields['name'],
                     'enabled': fields['enabled']}    
      tenant = driver.create_tenant(**nova_fields)
      site.tenant_id=tenant.id
      site.save()
      return site
  
  def update_site(auth, login_base, **fields):
      driver = OpenStackDriver(client = auth_check(auth))
      sites = Site.objects.filter(login_base=login_base)
      if not sites:
          return
  
      site = Site[0]
      nova_fields = {}
      if 'description' in fields:
          nova_fields['description'] = fields['name']
      if 'enabled' in fields:
          nova_fields['enabled'] = fields['enabled']
      driver.update_tenant(site.tenant_id, **nova_fields)
      site.update(**fields)
      return site 
  
  def delete_site(auth, filter={}):
      driver = OpenStackDriver(client = auth_check(auth))   
      sites = Site.objects.filter(**filter)
      for site in sites:
          driver.delete_tenant({'id': site.tenant_id}) 
          site.delete()
      return 1
  
  def get_sites(auth, filter={}):
      client = auth_check(auth)
      sites = Site.objects.filter(**filter)
      return sites             
          
  
      
  
subject: fix type error