Update app.py

app.py

@@ -4,11 +4,13 @@ import io
 from PIL import Image
 import gradio as gr
 import tempfile
+import os
 
+HF = os.getenv("HF_SECRET")
 recipe_generator = pipeline("text2text-generation", model="flax-community/t5-recipe-generation")
 
 API_URL = "https://api-inference.huggingface.co/models/stabilityai/stable-diffusion-xl-base-1.0"
-headers = {'Authorization': f'Bearer a'}
+headers = {'Authorization': f'Bearer {HF}'}
 
 def query(payload):
     response = requests.post(API_URL, headers=headers, json=payload)