def download_file(
    object_store: ObjectStore,
    object_name: str,
    output_filename: str,
) -> None:
    """Downloads a file from an object store.

    Args:
        object_store (ObjectStore): Object store to download from
        object_name (str): Name of object to download
        output_filename (str): Local filename to write to
    """
    object_store.download_object(
        object_name=object_name,
        filename=output_filename,
        overwrite=True,
    )
Downloads a file from an object store.

    Args:
        object_store (ObjectStore): Object store to download from
        object_name (str): Name of object to download
        output_filename (str): Local filename to write to
    
llmfoundry/utils/data_prep_utils.py