--- a/hgext/inhibit.py	Fri Nov 06 21:37:38 2015 -0500
+++ b/hgext/inhibit.py	Tue Nov 17 22:43:17 2015 -0800
@@ -129,7 +129,7 @@
     if not _inhibitenabled(repo):
         return
 
-    newinhibit = repo.set('::%ln and obsolete()', nodes)
+    newinhibit = list(repo.set('::%ln and obsolete()', nodes))
     if newinhibit:
         lock = tr = None
         try: