Update pipeline.py

pipeline.py

@@ -760,10 +760,7 @@ class AnimateDiffPipeline(DiffusionPipeline, TextualInversionLoaderMixin, IPAdap
                 if i == len(timesteps) - 1 or ((i + 1) > num_warmup_steps and (i + 1) % self.scheduler.order == 0):
                     progress_bar.update()
                     if callback is not None and i % callback_steps == 0:
-                        preview_latents = latent_sum / latent_counter.reshape(1, 1, num_frames, 1, 1)
-                        preview_latents = self.decode_latents(preview_latents[:, :, 0:1, :, :])
-                        preview_image = tensor2vid(preview_latents, self.image_processor, output_type="pil")
-                        callback(i, t, preview_image[0][0])
+                        callback(i, t, None)
                     
                 latent_counter = latent_counter.reshape(1, 1, num_frames, 1, 1)
                 latents = latent_sum / latent_counter