--- a/hgext3rd/topic/discovery.py	Mon Mar 21 21:07:41 2016 -0700
+++ b/hgext3rd/topic/discovery.py	Mon Mar 21 21:25:04 2016 -0700
@@ -10,7 +10,6 @@
                   or bool(remote.listkeys('phases').get('publishing', False)))
     if publishing or not remote.capable('topics'):
         return orig(repo, remote, outgoing)
-    oldgetitem = repo.__getitem__
     oldrepo = repo.__class__
     oldbranchcache = branchmap.branchcache
     oldfilename = branchmap._filename