Update app.py

app.py

@@ -11,7 +11,7 @@ from langchain_community.llms import HuggingFaceHub
 # Fix Streamlit config in Docker
 os.environ["STREAMLIT_HOME"] = "/tmp/.streamlit"
 
-HF_TOKEN = os.environ.get("HuggingfacehubAPIToken")
+HF_TOKEN = os.environ.get("HUGGINGFACEHUB_API_TOKEN")
 if HF_TOKEN is None:
     st.error("⚠️ Hugging Face API token not set. Add it in Settings → Secrets.")
     st.stop()