Update app.py

app.py

@@ -19,9 +19,10 @@ import http.client
 from functools import lru_cache
 import json
 from concurrent.futures import ThreadPoolExecutor
-import warnings
-from warnings import UserWarning  # Import UserWarning class
+from warnings import warn, UserWarning
 
+# Example usage
+warn("This is a user warning", UserWarning)
 # Security and configuration constants
 MAX_RETRIES = 3
 REQUEST_TIMEOUT = 30