diff -r 0ac83e4e4f7c -r d3775db748a0 hgext/shelve.py
--- a/hgext/shelve.py	Tue Apr 01 15:21:56 2014 -0700
+++ b/hgext/shelve.py	Tue Apr 01 15:27:53 2014 -0700
@@ -561,7 +561,8 @@
             ui.quiet = True
             fp = shelvedfile(repo, basename, 'hg').opener()
             gen = changegroup.readbundle(fp, fp.name)
-            repo.addchangegroup(gen, 'unshelve', 'bundle:' + fp.name)
+            changegroup.addchangegroup(repo, gen, 'unshelve',
+                                       'bundle:' + fp.name)
             nodes = [ctx.node() for ctx in repo.set('%d:', oldtiprev)]
             phases.retractboundary(repo, phases.secret, nodes)
         finally: