added token

app.py

@@ -1,10 +1,11 @@
+import os
 import gradio as gr
 from huggingface_hub import InferenceClient
 
-"""
-For more information on `huggingface_hub` Inference API support, please check the docs: https://huggingface.co/docs/huggingface_hub/v0.22.2/en/guides/inference
-"""
-client = InferenceClient("meta-llama/Llama-2-7b-chat-hf")
+# Read token from environment variable
+HF_TOKEN = os.getenv("HF_TOKEN")
+
+client = InferenceClient(model="meta-llama/Llama-2-7b-chat-hf", token=HF_TOKEN)
 
 def respond(
     message,