How to use the tokendito.settings.okta_aws_app_url function in tokendito

def process_okta_aws_app_url():
    """Process Okta app url.

    :param app_url: string with okta tile URL.
    :return: None.
    """
    if not validate_okta_aws_app_url(settings.okta_aws_app_url):
        logging.error("Okta Application URL not found, or invalid. Please check "
                      "your configuration and try again.")
        sys.exit(2)

    url = urlparse(settings.okta_aws_app_url)
    okta_org = '{}://{}'.format(url.scheme, url.netloc)
    okta_aws_app_url = '{}{}'.format(okta_org, url.path)
    setattr(settings, 'okta_org', okta_org)
    setattr(settings, 'okta_aws_app_url', okta_aws_app_url)

def process_okta_aws_app_url():
    """Process Okta app url.

    :param app_url: string with okta tile URL.
    :return: None.
    """
    if not validate_okta_aws_app_url(settings.okta_aws_app_url):
        logging.error("Okta Application URL not found, or invalid. Please check "
                      "your configuration and try again.")
        sys.exit(2)

    url = urlparse(settings.okta_aws_app_url)
    okta_org = '{}://{}'.format(url.scheme, url.netloc)
    okta_aws_app_url = '{}{}'.format(okta_org, url.path)
    setattr(settings, 'okta_org', okta_org)
    setattr(settings, 'okta_aws_app_url', okta_aws_app_url)

logging.debug(
        "tokendito retrieves AWS credentials after authenticating with Okta."
    )

    # Collect and organize user specific information
    helpers.process_options(args)

    # Authenticate okta and AWS also use assumerole to assign the role
    logging.debug("Authenticate user with Okta and AWS.")

    secret_session_token = okta_helpers.authenticate_user(
        settings.okta_org, settings.okta_username, settings.okta_password)

    saml_response_string, saml_xml = aws_helpers.authenticate_to_roles(
        secret_session_token, settings.okta_aws_app_url)

    assume_role_response, role_name = aws_helpers.select_assumeable_role(
        saml_response_string, saml_xml)

    aws_helpers.ensure_keys_work(assume_role_response)

    helpers.set_local_credentials(assume_role_response, role_name,
                                  settings.aws_region, settings.aws_output)