diff -r b1a534335548 -r 9f1139cf5c76 hgext/schemes.py
--- a/hgext/schemes.py	Mon Jun 13 14:56:00 2011 +0300
+++ b/hgext/schemes.py	Mon Jun 13 14:53:23 2011 -0500
@@ -93,6 +93,6 @@
             and os.path.exists('%s:\\' % scheme)):
             raise util.Abort(_('custom scheme %s:// conflicts with drive '
                                'letter %s:\\\n') % (scheme, scheme.upper()))
-        hg._peerschemes[scheme] = ShortRepository(url, scheme, t)
+        hg.peerschemes[scheme] = ShortRepository(url, scheme, t)
 
     extensions.wrapfunction(util, 'hasdriveletter', hasdriveletter)