error resolved

app.py

@@ -25,7 +25,7 @@ PROXY_PORT = os.environ.get("PROXY_PORT")
 if not all([PROXY_USER, PROXY_PASS, PROXY_HOST, PROXY_PORT]):
     raise RuntimeError("Proxy credentials not fully set in Hugging Face Secrets.")
 
-PROXY_URL = f"http://{PROXY_USER}:{PP}@{PROXY_HOST}:{PROXY_PORT}"
+PROXY_URL = f"http://{PROXY_USER}:{PROXY_PASS}@{PROXY_HOST}:{PROXY_PORT}"
 
 # Create a session with proxy
 proxy_session = requests.Session()