Update app.py

app.py

@@ -98,8 +98,9 @@ async def get_track_download_url(track_id: str) -> str:
             continue
     
     logger.error(f"No download URL found")
-    raise Exception("Download URL not found")
+    return {"error":"Download URL not found"}
 
+    
 @app.route('/track_dl', methods=['POST'])
 async def track_dl():
     track_id = request.json.get('track_id')
@@ -108,7 +109,7 @@ async def track_dl():
         result = {"url": dl_url}
         return jsonify(result)
     else:
-        result = {"error": "failed to fetch the track"}
+        result = {"error": "Failed to fetch the track"}
         return jsonify(result)