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synthrepo: do not crash if a list is empty

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This commit is contained in:
Bryan O'Sullivan 2012-12-10 11:18:03 -08:00
parent d3a4755c75
commit 75dc399824
1 changed files with 2 additions and 0 deletions
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2
contrib/synthrepo.py
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@ -231,6 +231,8 @@ def synthesize(ui, repo, descpath, **opts):
fp.close()
def cdf(l):
if not l:
return [], []
vals, probs = zip(*sorted(l, key=lambda x: x[1], reverse=True))
t = float(sum(probs, 0))
s, cdfs = 0, []