- taking the case wich there is no business_template_list in REQUEST

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@23519 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Type/DocumentationHelper/ERP5SiteDocumentationHelper.py

@@ -86,7 +86,7 @@ class ERP5SiteDocumentationHelper(DocumentationHelper):
     """
     REQUEST = getattr(self, 'REQUEST', None)
     business_template_list = [bt.getTitle() for bt in self.getDocumentedObject().portal_templates.objectValues()]
-    if REQUEST is not None:
+    if REQUEST is not None and "business_template_list" in REQUEST.keys():
       business_template_list = REQUEST.get("business_template_list", [])
     return [(bt.getId(),
               getattr(bt, "title", ''),