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9379b239 - Fix TPU (torch_xla) compatibility Error about tensor repeat func along with empty dim. (#12770)

Fix TPU (torch_xla) compatibility Error about tensor repeat func along with empty dim. (#12770) * Refactor image padding logic to pervent zero tensor in transformer_z_image.py * Apply style fixes * Add more support to fix repeat bug on tpu devices. * Fix for dynamo compile error for multi if-branches. --------- Co-authored-by: Mingjia Li <mingjiali@tju.edu.cn> Co-authored-by: Mingjia Li <mail@mingjia.li> Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>