import tarfile from ERP5Type to avoide possible problems.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31806 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/Tool/IntrospectionTool.py

@@ -41,7 +41,7 @@ from Products.ERP5Type.Utils import _setSuperSecurityManager
 from App.config import getConfiguration
 from AccessControl import Unauthorized
 from Products.ERP5Type.Cache import CachingMethod
-import tarfile
+from Products.ERP5Type import tarfile
 
 _MARKER = []