fix build

app.py

@@ -18,7 +18,8 @@ def download_csv():
         logger.error(f"file {file_path} not found!")
         full_path = "/home/user/app/"+ file_path
         exist_full_path = os.path.exists(full_path)
-        logger.error(f"file {exist_full_path} {"found" if exist_full_path else "not found"}!")
+        res = "found" if exist_full_path else "not found"
+        logger.error(f"file {exist_full_path} {res}!")
         return None  # Возвращаем None, если файла нет
     
 # Prepare language options for Dropdown