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Remove TrainingArguments import from experimental trainers#5290

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albertvillanova merged 1 commit into
huggingface:mainfrom
albertvillanova:fu-5257-5274
Mar 16, 2026
Merged

Remove TrainingArguments import from experimental trainers#5290
albertvillanova merged 1 commit into
huggingface:mainfrom
albertvillanova:fu-5257-5274

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@albertvillanova albertvillanova commented Mar 16, 2026 •
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Remove TrainingArguments import from experimental trainers.

This PR refactors multiple experimental trainer configuration files to remove direct dependencies on transformers.TrainingArguments and instead rely on the project's own _BaseConfig for managing valid dictionary fields. This change improves modularity and reduces external coupling across the configuration classes.

Follow-up to:

Changes

Dependency and configuration updates:

  • Removed the import of TrainingArguments from all experimental config files (BCOConfig, CPOConfig, KTOConfig, OnlineDPOConfig, ORPOConfig) to eliminate unnecessary dependency.
  • Changed the assignment of _VALID_DICT_FIELDS in each config class to use _BaseConfig._VALID_DICT_FIELDS instead of TrainingArguments._VALID_DICT_FIELDS, ensuring consistency and reducing external dependency.

Note

Low Risk
Low risk refactor that only changes how experimental configs derive _VALID_DICT_FIELDS; runtime impact should be limited to argument/dict field validation if _BaseConfig._VALID_DICT_FIELDS differs from TrainingArguments in a given transformers version.

Overview
Removes the TrainingArguments import from several experimental trainer config modules (BCOConfig, CPOConfig, KTOConfig, OnlineDPOConfig, ORPOConfig).

Each config now sets _VALID_DICT_FIELDS based on _BaseConfig._VALID_DICT_FIELDS (plus model_init_kwargs) rather than TrainingArguments._VALID_DICT_FIELDS, reducing direct coupling to transformers in these experimental configs.

Written by Cursor Bugbot for commit c2e93cc. This will update automatically on new commits. Configure here.

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@albertvillanova albertvillanova merged commit 85cf8f4 into huggingface:main Mar 16, 2026
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qgallouedec added a commit that referenced this pull request Mar 18, 2026
@qgallouedec
Squashed commit of the following:
56cff26 
commit 52cd0cc
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:31:26 2026 +0100

    Fix UNEXPECTED lm_head.weight warning when loading a CausalLM as a reward model (#5295)

commit 7b42fc4
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:29:11 2026 +0100

    Prevent corruption of DPO VLM training if "keep_end" truncation_mode (#5286)

commit 3acb8e8
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:27:10 2026 +0100

    Support max_length in DPO VLM training (#5284)

commit ee339a0
Author: Carlos Miguel Patiño <carlos.patino@huggingface.co>
Date:   Tue Mar 17 14:01:44 2026 +0100

    [GKD] Buffer Implementation for Distillation Trainer (#5137)

    Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>

commit d46131f
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 15:27:19 2026 +0100

    Remove custom get_train/eval_dataloader from OnlineDPO (#5291)

commit 85cf8f4
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 15:24:24 2026 +0100

    Remove TrainingArguments import from experimental trainers (#5290)

commit 91e3da0
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Mon Mar 16 07:19:51 2026 -0600

    Fix `accuracy_reward` crash when called from non-main thread (#5281)

commit 4996631
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 07:44:28 2026 +0100

    Fix support for model_init_kwargs in MiniLLM when passed as CLI JSON string (#5274)

commit 5fceaa7
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 07:43:34 2026 +0100

    Simplify structured outputs logic across vLLM versions in scripts/vllm_serve (#5273)

commit 406d406
Author: casinca <47400729+casinca@users.noreply.github.com>
Date:   Sat Mar 14 04:12:49 2026 +0100

    feat(`grpo_trainer.py`): Variational Sequence-Level Soft Policy Optimization (VESPO) (#5199)

commit d0ac7ef
Author: LeonEricsson <70749762+LeonEricsson@users.noreply.github.com>
Date:   Sat Mar 14 02:53:33 2026 +0100

    Allow nullable logprobs in vLLM serve responses  (#5203)

    Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
    Co-authored-by: Quentin Gallouédec <gallouedec.quentin@gmail.com>

commit c0eabc4
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Fri Mar 13 18:19:15 2026 -0600

    Change default `vllm_mode` to `"colocate"` and add v0→v1 migration guide (#5255)

    Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

commit 6c0fccd
Author: Mario Šaško <mariosasko777@gmail.com>
Date:   Sat Mar 14 00:19:38 2026 +0100

    35% faster packing + rename `bfd-requeue` to `bfd_split` (#5189)

    Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
    Co-authored-by: Quentin Gallouédec <gallouedec.quentin@gmail.com>
qgallouedec added a commit that referenced this pull request Mar 18, 2026
@qgallouedec
Squashed commit of the following:
14dbaf1 
commit 3972d66
Author: Quentin Lhoest <42851186+lhoestq@users.noreply.github.com>
Date:   Wed Mar 18 22:26:44 2026 +0100

    Suggest the `Json()` type for tool calling dataset format (#5307)

    Co-authored-by: Quentin Gallouédec <gallouedec.quentin@gmail.com>
    Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>

commit 5c6e915
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Wed Mar 18 14:55:19 2026 -0600

    Update `RewardFunc` type annotation to allow `None`values in reward list (#5297)

commit ee96845
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Wed Mar 18 17:03:54 2026 +0100

    Fix DPOTrainer collators to truncate sequences before padding (#5305)

commit 435c2ae
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Wed Mar 18 08:09:42 2026 -0600

    Add guidance to avoid `hasattr` and `getattr` with defaults in `AGENTS.md` (#5294)

commit 26ce6a3
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Wed Mar 18 00:44:12 2026 -0600

    Apply docstyle (#5296)

commit 52cd0cc
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:31:26 2026 +0100

    Fix UNEXPECTED lm_head.weight warning when loading a CausalLM as a reward model (#5295)

commit 7b42fc4
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:29:11 2026 +0100

    Prevent corruption of DPO VLM training if "keep_end" truncation_mode (#5286)

commit 3acb8e8
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Tue Mar 17 15:27:10 2026 +0100

    Support max_length in DPO VLM training (#5284)

commit ee339a0
Author: Carlos Miguel Patiño <carlos.patino@huggingface.co>
Date:   Tue Mar 17 14:01:44 2026 +0100

    [GKD] Buffer Implementation for Distillation Trainer (#5137)

    Co-authored-by: lewtun <lewis.c.tunstall@gmail.com>

commit d46131f
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 15:27:19 2026 +0100

    Remove custom get_train/eval_dataloader from OnlineDPO (#5291)

commit 85cf8f4
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 15:24:24 2026 +0100

    Remove TrainingArguments import from experimental trainers (#5290)

commit 91e3da0
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Mon Mar 16 07:19:51 2026 -0600

    Fix `accuracy_reward` crash when called from non-main thread (#5281)

commit 4996631
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 07:44:28 2026 +0100

    Fix support for model_init_kwargs in MiniLLM when passed as CLI JSON string (#5274)

commit 5fceaa7
Author: Albert Villanova del Moral <8515462+albertvillanova@users.noreply.github.com>
Date:   Mon Mar 16 07:43:34 2026 +0100

    Simplify structured outputs logic across vLLM versions in scripts/vllm_serve (#5273)

commit 406d406
Author: casinca <47400729+casinca@users.noreply.github.com>
Date:   Sat Mar 14 04:12:49 2026 +0100

    feat(`grpo_trainer.py`): Variational Sequence-Level Soft Policy Optimization (VESPO) (#5199)

commit d0ac7ef
Author: LeonEricsson <70749762+LeonEricsson@users.noreply.github.com>
Date:   Sat Mar 14 02:53:33 2026 +0100

    Allow nullable logprobs in vLLM serve responses  (#5203)

    Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
    Co-authored-by: Quentin Gallouédec <gallouedec.quentin@gmail.com>

commit c0eabc4
Author: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
Date:   Fri Mar 13 18:19:15 2026 -0600

    Change default `vllm_mode` to `"colocate"` and add v0→v1 migration guide (#5255)

    Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com>

commit 6c0fccd
Author: Mario Šaško <mariosasko777@gmail.com>
Date:   Sat Mar 14 00:19:38 2026 +0100

    35% faster packing + rename `bfd-requeue` to `bfd_split` (#5189)

    Co-authored-by: Quentin Gallouédec <45557362+qgallouedec@users.noreply.github.com>
    Co-authored-by: Quentin Gallouédec <gallouedec.quentin@gmail.com>
songhappy pushed a commit to songhappy/trl that referenced this pull request Apr 20, 2026
@albertvillanova
Remove TrainingArguments import from experimental trainers (huggingfa…
cc1e550 
…ce#5290)
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