* Just import torch AdamW instead
* Update docs too
* Make AdamW undocumented
* make fixup
* Add a basic wrapper class
* Add it back to the docs
* Just remove AdamW entirely
* Remove some AdamW references
* Drop AdamW from the public init
* make fix-copies
* Cleanup some references
* make fixup
* Delete lots of transformers.AdamW references
* Remove extra references to adamw_hf
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add support for constant learning rate with cooldown
* Add more warmup and cooldown methods to 'get_wsc_schedule'
* Add more warmup and cooldown methods to 'get_wsc_schedule'
* Add more warmup and cooldown methods to 'get_wsc_schedule'
* Add more warmup and cooldown methods to 'get_wsc_schedule'
* Add more warmup and decay methods to 'get_wsd_schedule'
* support num_training_steps and num_stable_steps for get_wsd_schedule
* support num_training_steps and num_stable_steps for get_wsd_schedule
* get wsd scheduler before the `num_training_steps` decision
* fix code_quality
* Update stable branch logic
* fix code_quality
* Move stable stage decide to `get_wsd_schedule`
* Update docstring of `get_wsd_schedule`
* Update `num_train_steps` to optional
* Update `num_train_steps` to optional
* Update docstring of `get_wsd_schedule`
* Update src/transformers/optimization.py
Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com>
---------
Co-authored-by: Marc Sun <57196510+SunMarc@users.noreply.github.com>
* Make schedulers picklable by making lr_lambda fns global
* add unused _get_constant_schedule_lr_lambda arg
* remove unneeded _get_constant_schedule_lr_lamda
* add test
* make style
* rebase, remove torch dep, put lambda back
* repo-consistency and style
* Result of black 23.1
* Update target to Python 3.7
* Switch flake8 to ruff
* Configure isort
* Configure isort
* Apply isort with line limit
* Put the right black version
* adapt black in check copies
* Fix copies
