def METHOD_NAME(path) -> bool:
    """
    Check if path is a block device, e.g. /dev/sda1.
    :param path: The path to check.
    :type path: str
    :return: Return ``True`` if path describes a block device,
        otherwise ``False``.
    :rtype: bool
    """
    if not isinstance(path, str):
        return False
    try:
        st = os.stat(path)
    except FileNotFoundError:
        return False
    return stat.S_ISBLK(st.st_mode)