Update app.py

app.py

@@ -62,6 +62,7 @@ def infer(input_image, prompt, seed=42, randomize_seed=False, guidance_scale=2.5
         print(f"[Step {step}] Timestep: {timestep}")
         progress_value = (step+1.0)/steps
         progress(progress_value, desc=f"Image generating, {step + 1}/{steps} steps")
+        return callback_kwargs
 
     if randomize_seed:
         seed = random.randint(0, MAX_SEED)