Update app.py

app.py

@@ -196,6 +196,9 @@ def top_pct(preds, threshold=0.95):
         cum_score += item["score"]
         if cum_score >= threshold:
             break
+        if item["score"] == 0:
+            i -= 1
+            break
 
     preds = preds[: (i + 1)]