examples/example_output_dir.py

import pathlib

volume = modal.Volume.from_name("my-volume")
VOL_MOUNT_PATH = pathlib.Path("/vol")

@app.function(
    gpu="A10G",
    timeout=2 * 60 * 60,  # run for at most two hours
    volumes={VOL_MOUNT_PATH: volume},
)
def finetune():
    from transformers import Seq2SeqTrainer
    ...

    training_args = Seq2SeqTrainingArguments(
        output_dir=str(VOL_MOUNT_PATH / "model"),
	# ... more args here
    )

    trainer = Seq2SeqTrainer(
        model=model,
        args=training_args,
        train_dataset=tokenized_xsum_train,
        eval_dataset=tokenized_xsum_test,
    )