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-rw-r--r--Lib/random.py5
1 files 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.