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Internal change #4231

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Internal change #4231

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8 changes: 8 additions & 0 deletions src/maxtext/configs/pyconfig.py
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Original file line number Diff line number Diff line change
Expand Up @@ -531,6 +531,14 @@ def _initialize_pydantic(argv: list[str] | None = None, **kwargs) -> MaxTextConf

pydantic_kwargs = _prepare_for_pydantic(raw_keys_dict)

# Resolve relative tokenizer_path against the config directory (fileset root on Borg)
if pydantic_kwargs.get("tokenizer_path"):
fileset_root = os.path.dirname(config_path)
candidate_path = os.path.join(fileset_root, pydantic_kwargs["tokenizer_path"])
if os.path.exists(candidate_path):
logger.info("Resolved tokenizer_path %s to %s under fileset root", pydantic_kwargs["tokenizer_path"], candidate_path)
pydantic_kwargs["tokenizer_path"] = candidate_path

if pydantic_kwargs.get("use_tokamax_splash") and pydantic_kwargs.get("use_jax_splash"):
raise ValueError("At most one of `use_tokamax_splash` and `use_jax_splash` can be set to True.")

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