diff --git a/Lib/sched.py b/Lib/sched.py
--- a/Lib/sched.py
+++ b/Lib/sched.py
@@ -164,4 +164,4 @@
         # the actual order they would be retrieved.
         with self._lock:
             events = self._queue[:]
-        return map(heapq.heappop, [events]*len(events))
+        return list(map(heapq.heappop, [events]*len(events)))
diff --git a/Lib/test/test_sched.py b/Lib/test/test_sched.py
--- a/Lib/test/test_sched.py
+++ b/Lib/test/test_sched.py
@@ -172,7 +172,7 @@
         e3 = scheduler.enterabs(now + 0.03, 1, fun)
         # queue property is supposed to return an order list of
         # upcoming events
-        self.assertEqual(list(scheduler.queue), [e1, e2, e3, e4, e5])
+        self.assertEqual(scheduler.queue, [e1, e2, e3, e4, e5])
 
     def test_args_kwargs(self):
         flag = []