Update app.py

app.py

@@ -6,7 +6,7 @@ import os
 
 hf_token = os.environ.get("hf_token")
 API_URL = "https://api-inference.huggingface.co/models/xinsir/controlnet-union-sdxl-1.0"
-headers = {"Authorization": f"Bearer hf_token"}
+headers = {"Authorization": f"Bearer {hf_token}"}
 
 def query(payload):
 	response = requests.post(API_URL, headers=headers, json=payload)