Update pipeline_stable_diffusion_3_ipa.py

pipeline_stable_diffusion_3_ipa.py

@@ -1183,7 +1183,7 @@ class StableDiffusion3Pipeline(DiffusionPipeline, SD3LoraLoaderMixin, FromSingle
         #clip_image_embeds = clip_image_embeds.view(bs_embed, seq_len)  # Simplified reshape
 
         # experimental way
-        clip_image_embeds = torch.cat([torch.zeros_like(image_prompt_embeds_list), image_prompt_embeds_list], dim=0).mean(dim=0)
+        clip_image_embeds = torch.cat([torch.zeros_like(torch.stack(image_prompt_embeds_list)), torch.stack(image_prompt_embeds_list)], dim=0).mean(dim=0)
 
         
         # 4. Prepare timesteps