def METHOD_NAME(path_list):
    """Check if paths in the list exist
    :param path_list: The list of paths to check
    :type path_list: `list`
    :return: True if valid paths, else False
    :rtype: `bool`
    """
    valid = True
    for path in path_list:
        if path and not os.path.exists(path):
            logging.log("WARNING: The path %s does not exist!", path)
            valid = False
    return valid