--- a/mercurial/templater.py	Thu Mar 12 23:08:16 2015 -0400
+++ b/mercurial/templater.py	Thu Mar 12 23:11:15 2015 -0400
@@ -391,7 +391,7 @@
 
     raw = args[0][1]
     ctx = mapping['ctx']
-    repo = ctx._repo
+    repo = ctx.repo()
 
     def query(expr):
         m = revsetmod.match(repo.ui, expr)