How to use the investpy.get_bond_historical_data function in investpy

'order': 'ascending',
            'interval': ['error']
        },
        {
            'bond': 'Argentina 3Y',
            'from_date': '01/01/2019',
            'to_date': '01/03/2019',
            'as_json': False,
            'order': 'ascending',
            'interval': 'error'
        },
    ]

    for param in params:
        try:
            investpy.get_bond_historical_data(bond=param['bond'],
                                              from_date=param['from_date'],
                                              to_date=param['to_date'],
                                              as_json=param['as_json'],
                                              order=param['order'],
                                              interval=param['interval'])
        except:
            pass

    params = [
        {
            'bond': None,
            'as_json': False
        },
        {
            'bond': ['error'],
            'as_json': False

'as_json': True,
            'order': 'descending',
        },
        {
            'as_json': False,
            'order': 'descending',
        },
    ]

    for param in params:
        investpy.get_bond_recent_data(bond='Spain 30Y',
                                      as_json=param['as_json'],
                                      order=param['order'],
                                      interval='Daily')

        investpy.get_bond_historical_data(bond='Spain 30Y',
                                          from_date='01/01/1990',
                                          to_date='01/01/2019',
                                          as_json=param['as_json'],
                                          order=param['order'],
                                          interval='Daily')

    params = [
        {
            'bond': 'spain 30y',
            'as_json': False
        },
        {
            'bond': 'argentina 3y',
            'as_json': True
        },
        {