diff --git a/openerp/service/report.py b/openerp/service/report.py
index 90ea5e963ba..c20c7f0d7ec 100644
--- a/openerp/service/report.py
+++ b/openerp/service/report.py
@@ -1,10 +1,13 @@
 # -*- coding: utf-8 -*-
 
+import base64
 import logging
+import sys
 import threading
 
 import openerp.netsvc
 import openerp.pooler
+from openerp import tools
 
 import security
 
@@ -107,7 +110,7 @@ def exp_report(db, uid, object, ids, datas=None, context=None):
         cr.close()
         return True
 
-    thread.start_new_thread(go, (id, uid, ids, datas, context))
+    threading.Thread(target=go, args=(id, uid, ids, datas, context)).start()
     return id
 
 def _check_report(report_id):