Update app.py

app.py

@@ -271,7 +271,7 @@ def load_dataset_samples():
 
 def swap_sample(sample):
     return {
-        "id": sample["original_id"] + '_' + sample["model_b"] + '_vs_' + sample["model_a"]
+        "id": sample["original_id"] + '_' + sample["model_b"] + '_vs_' + sample["model_a"],
         "original_id": sample["original_id"],
         "prompt": sample["prompt"],
         "response_a": sample["response_b"],