convert usage of fail* to assert*
diff --git a/Lib/test/test_heapq.py b/Lib/test/test_heapq.py
index 7e3c7a1..e377384 100644
--- a/Lib/test/test_heapq.py
+++ b/Lib/test/test_heapq.py
@@ -46,7 +46,7 @@
         for pos, item in enumerate(heap):
             if pos: # pos 0 has no parent
                 parentpos = (pos-1) >> 1
-                self.assert_(heap[parentpos] <= item)
+                self.assertTrue(heap[parentpos] <= item)
 
     def test_heapify(self):
         for size in range(30):