check for principal is None - may happen when zope.authentication is patched

2012-03-12 08:14:44 +01:00 · 2012-03-12 08:14:44 +01:00 · 942de85d87
commit 942de85d87
parent d496dc001a
1 changed files with 4 additions and 1 deletions
--- a/browser/common.py
+++ b/browser/common.py
@ -269,6 +269,9 @@ class BaseView(GenericView, I18NView):
            for c in cr:
                try:
                    principal = pau.getPrincipal(c)
+                    if principal is None:
+                        creators.append(c)
+                    else:
                        creators.append(principal.title)
                except PrincipalLookupError:
                    creators.append(c)