Update app.py

app.py

@@ -379,10 +379,11 @@ def run_and_submit_all(profile: gr.OAuthProfile | None):
         try:
             print(f"\nProcessing question {task_id}...")
             
-            # Use the URL that is already present
-            raw_url = item.get("file_url", "")
-            # It may be relative ("/file/abc.mp3"), so prepend the host when needed
-            file_url = f"{api_url}{raw_url}" if raw_url.startswith("/") else raw_url
+            # Handle file URL with fallback to generic attachment endpoint
+            raw_url = item.get("file_url") or ""
+            if not raw_url:  # fallback for empty field
+                raw_url = f"/files/{task_id}"  # generic attachment endpoint
+            file_url = f"{api_url}{raw_url}"  # absolute URL
             
             answer = agent(
                 question=item.get("question", ""),