Update pipeline.py

pipeline.py

@@ -1022,7 +1022,7 @@ class AnimateDiffPipeline(DiffusionPipeline, TextualInversionLoaderMixin, IPAdap
                     # Iterate over each index in the context group
                     for index in range(context_size):
                         # Calculate the frame index
-                        frame_index = ((timestep + 1) * group_index * (context_size - overlap)) + (offset * timestep) + index
+                        frame_index = (group_index * (context_size - overlap)) + (offset * timestep) + index
                         # If frame index exceeds total frames, wrap around
                         if frame_index >= total_frames:
                             frame_index %= total_frames