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diff --git a/lib/Crypto/Random/random.py b/lib/Crypto/Random/random.py
index 9d969f2..c5fdb70 100644
--- a/lib/Crypto/Random/random.py
+++ b/lib/Crypto/Random/random.py
@@ -119,13 +119,11 @@ class StrongRandom(object):
raise ValueError("sample larger than population")
retval = []
- selected = {} # we emulate a set using a dict here
for i in xrange(k):
- r = None
- while r is None or r in selected:
+ r = self.randrange(num_choices)
+ while population[r] in retval:
r = self.randrange(num_choices)
retval.append(population[r])
- selected[r] = 1
return retval
_r = StrongRandom()
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