transformers

6bc517cc - deepspeed resume from ckpt fixes and adding support for deepspeed optimizer and HF scheduler (#25863)

deepspeed resume from ckpt fixes and adding support for deepspeed optimizer and HF scheduler (#25863) * Add support for deepspeed optimizer and HF scheduler * fix bug * fix the import * fix issue with deepspeed scheduler saving for hf optim + hf scheduler scenario * fix loading of hf scheduler when loading deepspeed checkpoint * fix import of `DeepSpeedSchedulerWrapper` * add tests * add the comment and skip the failing tests * address comment