tests/test-lock.py

--- a/tests/test-lock.py	Tue Oct 06 13:13:31 2015 -0700
+++ b/tests/test-lock.py	Tue Oct 06 13:19:05 2015 -0700
@@ -260,7 +260,7 @@
         state.assertacquirecalled(True)
 
         def tryinherit():
-            with lock.inherit() as lockname:
+            with lock.inherit():
                 pass
 
         self.assertRaises(error.LockInheritanceContractViolation, tryinherit)