From c1ac194e94a3733b54723019e8495babbc57aa0a Mon Sep 17 00:00:00 2001
From: Raymond Hettinger <python@rcn.com>
Date: Sat, 7 Dec 2002 09:25:05 +0000
Subject: Clarify and speedup test.

---
 Lib/random.py | 5 +++--
 1 file changed, 3 insertions(+), 2 deletions(-)

diff --git a/Lib/random.py b/Lib/random.py
index 16ec365..057571a 100644
--- a/Lib/random.py
+++ b/Lib/random.py
@@ -774,8 +774,9 @@ def _test_sample(n):
     population = xrange(n)
     for k in xrange(n+1):
         s = sample(population, k)
-        assert len(dict([(elem,True) for elem in s])) == len(s) == k
-        assert None not in s
+        uniq = dict.fromkeys(s)
+        assert len(uniq) == len(s) == k
+        assert None not in uniq
 
 def _sample_generator(n, k):
     # Return a fixed element from the sample.  Validates random ordering.
-- 
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