transformers

e9ad4604 - Adding `optimizer_cls_and_kwargs` to `Trainer.__init__` (#34358)

Adding `optimizer_cls_and_kwargs` to `Trainer.__init__` (#34358) * Adding `optimizer_cls_and_kwargs` to `Trainer.__init__` * formatting * make fix-copies docstring * added more docs for optimizer_cls_and_kwargs * add docs for Trainer(optimizer_cls_and_kwargs) * reverting anchor names