From c1ef9895331349e385666caf6cd209a493bcdba2 Mon Sep 17 00:00:00 2001
From: Doug Blank <doug.blank@gmail.com>
Date: Tue, 13 Jan 2009 22:25:05 +0000
Subject: [PATCH] Bug #2567: Person Filter bug: 'people without a known birth
 date' doesn't work correctly

svn: r11619
---
 src/Filters/Rules/Person/_NoBirthdate.py | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/Filters/Rules/Person/_NoBirthdate.py b/src/Filters/Rules/Person/_NoBirthdate.py
index 6ccc58412..6485344b8 100644
--- a/src/Filters/Rules/Person/_NoBirthdate.py
+++ b/src/Filters/Rules/Person/_NoBirthdate.py
@@ -49,6 +49,10 @@ class NoBirthdate(Rule):
         if not birth_ref:
             return True
         birth = db.get_event_from_handle(birth_ref.ref)
-        if not birth.get_date_object():
-            return True
+        if birth:
+            birth_obj = birth.get_date_object()
+            if not birth_obj:
+                return True
+            if birth_obj.sortval == 0:
+                return True
         return False