diff -r fd371f99f20b -r b534c502bfb3 mercurial/localrepo.py
--- a/mercurial/localrepo.py	Mon Aug 27 13:38:34 2007 -0700
+++ b/mercurial/localrepo.py	Mon Aug 27 14:16:04 2007 -0700
@@ -13,7 +13,7 @@
 import os, revlog, time, util, extensions, hook
 
 class localrepository(repo.repository):
-    capabilities = ('lookup', 'changegroupsubset')
+    capabilities = util.set(('lookup', 'changegroupsubset'))
     supported = ('revlogv1', 'store')
 
     def __init__(self, parentui, path=None, create=0):