re-add mistakingly removed import

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@38616 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/tests/ERP5TypeTestCase.py

@@ -221,6 +221,7 @@ failed_portal_installation = {}
 # this is a mapping 'list of business template -> boolean
 setup_done = {}
 
+from zope.site.hooks import setSite
 
 def _getConnectionStringDict():
   """Returns the connection strings used for this test.