How to use the investpy.get_stocks_list function in investpy

{
            'country': ['error']
        },
        {
            'country': 'error'
        },
    ]

    for param in params:
        try:
            investpy.get_stocks(country=param['country'])
        except:
            pass

        try:
            investpy.get_stocks_list(country=param['country'])
        except:
            pass

    params = [
        {
            'country': ['error'],
            'columns': None,
            'as_json': False
        },
        {
            'country': 'spain',
            'columns': None,
            'as_json': 'error'
        },
        {
            'country': 'spain',

'labels': ['A', 'B'],
            'identify': 'down',
        },
        {
            'stock': 'BBVA',
            'country': 'Spain',
            'from_date': '01/01/2018',
            'to_date': '01/01/2019',
            'window_size': 5,
            'trend_limit': 2,
            'labels': None,
            'identify': 'down',
        }
    ]

    stocks = get_stocks_list(country='Spain')

    for stock in stocks[:25]:
        obj = {
            'stock': stock,
            'country': 'Spain',
            'from_date': '01/01/2018',
            'to_date': '01/01/2019',
            'window_size': 5,
            'trend_limit': 5,
            'labels': None,
            'identify': 'both',
        }

        params.append(obj)

    for param in params:

"""
    This function checks that stock data retrieval functions listed in investpy work properly.
    """

    params = [
        {
            'country': 'spain',
        },
        {
            'country': None,
        },
    ]

    for param in params:
        investpy.get_stocks(country=param['country'])
        investpy.get_stocks_list(country=param['country'])

    params = [
        {
            'country': None,
            'columns': ['full_name', 'name'],
            'as_json': True
        },
        {
            'country': None,
            'columns': ['full_name', 'name'],
            'as_json': False
        },
        {
            'country': 'spain',
            'columns': ['full_name', 'name'],
            'as_json': True