in source/python/get_auth.py [0:0]
def get_session(account_id, role_name, session_name,external_id):
    print("entering get session function")
    temp_session = get_session_with_arn(
        "arn:aws:iam::{}:role/{}".format(account_id, role_name), session_name, external_id, None)
    return(temp_session)