Index: trunk/tests/test_dumper.py
===================================================================
--- trunk/tests/test_dumper.py	(revision 23)
+++ trunk/tests/test_dumper.py	(revision 49)
@@ -16,14 +16,14 @@
 
 try:
-    import sets
+    Set = set
 except:
-    class _sets:
-        def Set(self, items):
+    try:
+        from sets import Set
+    except ImportError:
+        def Set(items):
             set = {}
             for items in items:
                 set[items] = None
             return set
-    sets = _sets()
-
 
 EXAMPLE = {
@@ -73,5 +73,5 @@
 
 COLLECTIONS = [
-    sets.Set(range(10)),
+    Set(range(10)),
 ]