Attempt to load config from paths, in order.

    Args:
        paths (List[string]): list of paths to python files

    Return:
        Config: loaded config

def load_config(paths=DEFAULT_CONFIG_PATHS):
    """Attempt to load config from paths, in order.

    Args:
        paths (List[string]): list of paths to python files

    Return:
        Config: loaded config
    """
    config = Config()
    for path in paths:
        if os.path.isfile(path):
            config.load_pyfile(path)

    return config