transformers

622a8c59 - [trainer] add Trainer methods for metrics logging and saving (#10266)

[trainer] add Trainer methods for metrics logging and saving (#10266) * make logging and saving trainer built-in * Update src/transformers/trainer.py Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com> Co-authored-by: Sylvain Gugger <35901082+sgugger@users.noreply.github.com>