Update app.py

app.py

@@ -17,7 +17,7 @@ import urllib.parse
 import http.client
 
 # Suppress warnings
-warnings.filterwarnings('ignore', category=User Warning)  # Corrected here
+warnings.filterwarnings('ignore', category=UserWarning)  # Corrected here
 os.environ['TF_CPP_MIN_LOG_LEVEL'] = '2'
 
 def initialize_environment():