diff --git a/Lib/heapq.py b/Lib/heapq.py
index 19037ab..4b2c0c4 100644
--- a/Lib/heapq.py
+++ b/Lib/heapq.py
@@ -380,7 +380,7 @@
 
     while _len(h) > 1:
         try:
-            while True:
+            while 1:
                 v, itnum, next = s = h[0]
                 yield v
                 s[0] = next()               # raises StopIteration when exhausted