How to use the cloudaux.CloudAux.go function in cloudaux

def _get_base(user, **conn):
    base_fields = frozenset(['Arn', 'CreateDate', 'Path', 'UserId', 'UserName'])
    needs_base = False
    for field in base_fields:
        if field not in user:
            needs_base = True
            break

    if needs_base:
        user_name = _get_name_from_structure(user, 'UserName')
        user = CloudAux.go('iam.client.get_user', UserName=user_name, **conn)
        user = user['User']

    # cast CreateDate from a datetime to something JSON serializable.
    user.update(dict(CreateDate=get_iso_string(user['CreateDate'])))
    if 'PasswordLastUsed' in user:
        user.update(dict(PasswordLastUsed=get_iso_string(user['PasswordLastUsed'])))

    user['_version'] = 2
    return user

in the role object.
    :param role: dict containing (at the very least) role_name and/or arn.
    :param conn: dict containing enough information to make a connection to the desired account.
    :return: Camelized dict describing role containing all all base_fields.
    """
    base_fields = frozenset(['Arn', 'AssumeRolePolicyDocument', 'Path', 'RoleId', 'RoleName', 'CreateDate'])
    needs_base = False

    for field in base_fields:
        if field not in role:
            needs_base = True
            break

    if needs_base:
        role_name = _get_name_from_structure(role, 'RoleName')
        role = CloudAux.go('iam.client.get_role', RoleName=role_name, **conn)
        role = role['Role']

    # cast CreateDate from a datetime to something JSON serializable.
    role.update(dict(CreateDate=get_iso_string(role['CreateDate'])))
    role['_version'] = 3

    return role