How to use the ofxparse.AccountType function in ofxparse

:param data: an ofxparse account
        :type data: An :py:class:`ofxparse.Account` object
        :param institution: The parent institution of the account
        :type institution: :py:class:`ofxclient.Institution` object
        """

        description = data.desc if hasattr(data, 'desc') else None
        if data.type == AccountType.Bank:
            return BankAccount(
                institution=institution,
                number=data.account_id,
                routing_number=data.routing_number,
                account_type=data.account_type,
                description=description)
        elif data.type == AccountType.CreditCard:
            return CreditCardAccount(
                institution=institution,
                number=data.account_id,
                description=description)
        elif data.type == AccountType.Investment:
            return BrokerageAccount(
                institution=institution,
                number=data.account_id,
                broker_id=data.brokerid,
                description=description)
        raise ValueError("unknown account type: %s" % data.type)