Index: /pyyaml/trunk/tests/data/recursive-set.recursive
===================================================================
--- /pyyaml/trunk/tests/data/recursive-set.recursive	(revision 222)
+++ /pyyaml/trunk/tests/data/recursive-set.recursive	(revision 228)
@@ -1,2 +1,6 @@
+try:
+    set
+except NameError:
+    from sets import Set as set
 value = set()
 value.add(AnInstance(foo=value, bar=value))