--- a/hgext/inhibit.py	Fri Jun 26 00:59:22 2015 -0700
+++ b/hgext/inhibit.py	Mon Jun 29 02:30:27 2015 -0700
@@ -36,7 +36,7 @@
         def _obsinhibit(self):
             # XXX we should make sure it is invalidated by transaction failure
             obsinhibit = set()
-            raw = self.sopener.tryread('obsinhibit')
+            raw = self.svfs.tryread('obsinhibit')
             for i in xrange(0, len(raw), 20):
                 obsinhibit.add(raw[i:i+20])
             return obsinhibit