tarfile on Python 2.6 is good and fixes failures

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@31805 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/__init__.py

@@ -129,3 +129,10 @@ allow_module('Products.ERP5Type.Log')
 allow_module('Products.ERP5Type.ConnectionPlugin.SOAPWSDLConnection')
 ModuleSecurityInfo('Products.ERP5Type.JSON').declarePublic('dumps', 'loads')
 ModuleSecurityInfo('pprint').declarePublic('pformat', 'pprint')
+
+if sys.version_info[0:2] == (2, 4):
+  # Use our own tarfile if we got the buggy Python 2.4 version
+  # BACK: drop once we remove support for Python 2.4
+  import _tarfile as tarfile
+else:
+  import tarfile