Raise the error with a exception classe.

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@3891 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5/ERP5Site.py

@@ -531,7 +531,8 @@ class ERP5Site ( CMFSite, FolderMixIn ):
           LOG('ERP5Site, getDefaultModuleId', 0,
               'Unable to find default module for portal_type: %s' % \
                   portal_type)
-          raise
+          raise ValueError, 'Unable to find module for portal_type: %s' % \
+                            portal_type
       return module_name
 
     security.declareProtected(Permissions.AccessContentsInformation, 'getDefaultModule')