fixed diffusion fn

app.py

@@ -195,7 +195,7 @@ def preprocess_product_image(image, target_width, target_height):
 @spaces.GPU
 @torch.inference_mode()
 def diffusion_fn(chatbot, canvas_outputs, num_samples, seed, image_width, image_height,
-                 highres_scale, steps, cfg, highres_steps, highres_denoise, negative_prompt):
+                 highres_scale, steps, cfg, highres_steps, highres_denoise, negative_prompt, product_image):
 
     use_initial_latent = False
     eps = 0.05