* 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
* 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