mercurial/localrepo.py

--- a/mercurial/localrepo.py	Sun Mar 12 20:23:05 2006 +0100
+++ b/mercurial/localrepo.py	Mon Mar 13 00:02:33 2006 +0100
@@ -809,7 +809,7 @@
                 base[h] = 1
 
         if not unknown:
-            return None
+            return []
 
         rep = {}
         reqcnt = 0