- do not fail in case if template is not found

As list of templates is cached, and cache might be not invalidated after
deletion of template, do not fail in case if template is not found in ZODB.


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@33506 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/PreferenceTool.py

@@ -267,7 +267,9 @@ class PreferenceTool(BaseTool):
     template_list = []
     for portal_type in allowed_content_types:
       for template_url in _getDocumentTemplateList(user_id, portal_type=portal_type):
-        template_list.append(self.restrictedTraverse(template_url))
+        template = self.restrictedTraverse(template_url, None)
+        if template is not None:
+          template_list.append(template)
     return template_list
 
 InitializeClass(PreferenceTool)