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Use a boolean instead of hacky reference comparison in utils.iter.choice.

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This commit is contained in:
Valentin Lorentz 2012-08-05 09:59:42 +02:00
parent 4ffaff0638
commit 393f78c573
1 changed files with 3 additions and 3 deletions
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6
src/utils/iter.py
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@ -98,13 +98,13 @@ def choice(iterable):
return random.choice(iterable) return random.choice(iterable)
else: else:
n = 1 n = 1
m = new.module('') # Guaranteed unique value. found = False
ret = m
for x in iterable: for x in iterable:
if random.random() < 1/n: if random.random() < 1/n:
ret = x ret = x
found = True
n += 1 n += 1
if ret is m: if not found:
raise IndexError raise IndexError
return ret return ret