Update app.py

app.py

@@ -157,9 +157,10 @@ def reasoning_node(state: AgentState) -> AgentState:
     # Create the LLM
     llm = HuggingFaceHub(
         repo_id="HuggingFaceH4/zephyr-7b-beta",
-        huggingfacehub_api_token=token,
+        huggingfacehub_api_token=os.environ["HF_TOKEN"],
         model_kwargs={"temperature": 0.1, "max_new_tokens": 500}
     )
+
     chat_model = ChatHuggingFace(llm=llm)
 
     # Build prompt