Fixed missing return

luozhouyang · luozhouyang · commit 3527c22361f7 · 2018-06-21T22:23:27.000+08:00
diff --git a/similarity/jaccard.py b/similarity/jaccard.py
@@ -9,7 +9,7 @@ def __init__(self, k):
         super().__init__(k)
 
     def distance(self, s0, s1):
-        1.0 - self.similarity(s0, s1)
+        return 1.0 - self.similarity(s0, s1)
 
     def similarity(self, s0, s1):
         if s0 is None:
