convert old fail* assertions to assert*
diff --git a/Lib/test/test_symtable.py b/Lib/test/test_symtable.py
index f567c63..7fb368a 100644
--- a/Lib/test/test_symtable.py
+++ b/Lib/test/test_symtable.py
@@ -122,7 +122,7 @@
         self.assertTrue(self.top.lookup("namespace_test").is_namespace())
         self.assertFalse(self.spam.lookup("x").is_namespace())
 
-        self.assert_(self.top.lookup("spam").get_namespace() is self.spam)
+        self.assertTrue(self.top.lookup("spam").get_namespace() is self.spam)
         ns_test = self.top.lookup("namespace_test")
         self.assertEqual(len(ns_test.get_namespaces()), 2)
         self.assertRaises(ValueError, ns_test.get_namespace)