Update app.py

app.py

@@ -6,7 +6,7 @@ model = CrossEncoder("cross-encoder/nli-deberta-v3-base")
 
 def predict_similarity(sentence1, sentence2):
     score = model.predict([(sentence1, sentence2)])
-    return float(score)
+    return float(score[0])  # FIX: extract single float
 
 demo = gr.Interface(
     fn=predict_similarity,