Update app.py

app.py

@@ -5,7 +5,7 @@ models = list_models()
 
 # Or configure a HfApi client
 hf_api = HfApi(
-    endpoint="models.", # Can be a Private Hub endpoint.
+    endpoint="https://huggingface.co/api/models/stabilityai/stable-diffusion-xl-base-0.9", # Can be a Private Hub endpoint.
     token="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", # Token is not persisted on the machine.
 )
 models = hf_api.list_models()