Update app.py

app.py

@@ -18,7 +18,7 @@ from langchain_huggingface import ChatHuggingFace, HuggingFaceEndpoint
 
 
 print("Loading LLM...")
-llm = HuggingFaceEndpoint("meta-llama/Llama-3.2-3B-Instruct")
+llm = HuggingFaceEndpoint("meta-llama/Llama-3.2-3B-Instruct", huggingfacehub_api_token=os.getenv("HF_TOKEN"))
 chat = ChatHuggingFace(llm=llm, verbose=True)
 print(f"Model {chat.llm} downloaded!")