transformers

42f359d0 - Use DS callable API to allow hf_scheduler + ds_optimizer (#13216)

Use DS callable API to allow hf_scheduler + ds_optimizer (#13216) * Use DS callable API to allow hf_scheduler + ds_optimizer * Preserve backward-compatibility * Restore backward compatibility * Tweak arg positioning * Tweak arg positioning * bump the required version * Undo indent * Update src/transformers/trainer.py * style Co-authored-by: Stas Bekman <stas@stason.org> Co-authored-by: Stas Bekman <stas00@users.noreply.github.com>