Update app.py

app.py

@@ -3,7 +3,11 @@ from huggingface_hub import HfApi
 import os
 
 # Initialize HfApi
-token = os.environ["KEY"]  # or os.getenv("HF_TOKEN")
+token = os.getenv("HF_TOKEN")  # or whatever your secret name is
+
+if not token:
+    raise RuntimeError("Missing Hugging Face secret. Check your Space → Settings → Secrets.")
+
 api = HfApi(token=token)