Update pipeline.py

pipeline.py

@@ -1004,7 +1004,7 @@ class AnimateDiffPipeline(DiffusionPipeline, TextualInversionLoaderMixin, IPAdap
                         
                     
                     # set the step index to the current batch
-                    self.scheduler.step_index = i
+                    self.scheduler._step_index = i
                     
                     print(f"current_context_latents shape: {current_context_latents.shape}")
                     print(f"noise_pred shape: {noise_pred.shape}")