fixed has

check_app.py

@@ -147,6 +147,8 @@ def generate_image_with_progress(model_name,pipe, prompt, num_steps, guidance_sc
             num_inference_steps=num_steps,
             guidance_scale=guidance_scale,
             generator=generator,
+            callback=callback,
+            callback_steps=1,
         ).images[0]
     elif has_callback_on_step_end and not has_guidance_scale:
         print("has callback_on_step_end and NO guidance_scale")
@@ -162,8 +164,6 @@ def generate_image_with_progress(model_name,pipe, prompt, num_steps, guidance_sc
             prompt,
             num_inference_steps=num_steps,
             generator=generator,
-            callback=callback,
-            callback_steps=1,
         ).images[0]
 
     return image