def load_from_hub(repo_id: str, filename: str) -> str:
    """
    Download a model from Hugging Face Hub.
    :param repo_id: id of the model repository from the Hugging Face Hub
    :param filename: name of the model zip file from the repository
    """
    try:
        from huggingface_hub import hf_hub_download
    except ImportError:
        raise ImportError(
            "You need to install huggingface_hub to use `load_from_hub`. "
            "See https://pypi.org/project/huggingface-hub/ for installation."
        )

    # Get the model from the Hub, download and cache the model on your local disk
    downloaded_model_file = hf_hub_download(
        repo_id=repo_id,
        filename=filename,
        library_name="huggingface-sb3",
        library_version="2.1",
    )

    return downloaded_model_file