Update app.py

app.py

@@ -10,7 +10,8 @@ def image_interface(prompt, negative_prompt, guidance_scale, steps):
         prompt = prompt,
         negative_prompt = negative_prompt,
         guidance_scale = guidance_scale,
-        num_inference_steps = steps
+        num_inference_steps = steps, 
+        model = 'stabilityai/stable-diffusion-xl-base-1.0'
     )
 
     return response