Fix the bug which return creation_date as string instead of pure DateTime Object (thanks JPS).

Auto-delete trailing spaces.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@8680 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/Base.py

@@ -59,6 +59,7 @@ from CopySupport import CopyContainer, CopyError,\
 from Errors import DeferredCatalogError
 from Products.CMFActivity.ActiveObject import ActiveObject
 from Products.ERP5Type.Accessor.Accessor import Accessor as Method
+from Products.ERP5Type.Accessor.TypeDefinition import asDate
 
 from string import join
 import sys
@@ -2161,7 +2162,7 @@ class Base( CopyContainer, PortalContent, ActiveObject, ERP5PropertyManager ):
           # Then get the first line of edit_workflow
           return history[0].get('time', None)
     if hasattr(self, 'CreationDate') :
-      return self.CreationDate()
+      return asDate(self.CreationDate())
     return None
 
   security.declareProtected(Permissions.AccessContentsInformation, 'getModificationDate')