Fix Progress Bar Updates in SD 1.5 PAG Img2Img pipeline (#9925)

fix progress bar updates in SD 1.5 PAG Img2Img pipeline

src/diffusers/pipelines/pag/pipeline_pag_sd_img2img.py

@@ -1063,6 +1063,9 @@ class StableDiffusionPAGImg2ImgPipeline(
                     prompt_embeds = callback_outputs.pop("prompt_embeds", prompt_embeds)
                     negative_prompt_embeds = callback_outputs.pop("negative_prompt_embeds", negative_prompt_embeds)
 
+                if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0):
+                    progress_bar.update()
+
         if not output_type == "latent":
             image = self.vae.decode(latents / self.vae.config.scaling_factor, return_dict=False, generator=generator)[
                 0