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Fix divided by zero issue in case of words are not found in dict.

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Lin 2014-12-05 17:13:12 +08:00
parent 293dbbc390
commit fea3aec6bd
1 changed files with 1 additions and 1 deletions
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jieba/analyse/textrank.py
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@ -21,7 +21,7 @@ class UndirectWeightedGraph:
ws = collections.defaultdict(float)
outSum = collections.defaultdict(float)
wsdef = 1.0 / len(self.graph)
wsdef = 1.0 / (len(self.graph) or 1.0)
for n, out in self.graph.items():
ws[n] = wsdef
outSum[n] = sum((e[2] for e in out), 0.0)