i

app.py

@@ -213,7 +213,10 @@ def cosine_sim_dict(x, y):
 def cosine_sim(x, y):
     if isinstance(x, dict):
         return cosine_sim_dict(x, y)
-    return np.dot(x, y) / (np.linalg.norm(x) * np.linalg.norm(y))
+    denom = np.linalg.norm(x) * np.linalg.norm(y)
+    if denom == 0:
+        return 0
+    return np.dot(x, y) / denom
 
 def dice_sim(x, y):
     raise NotImplementedError