in scale_test_tool/config/boto_client_config.py [0:0]
def __init__(self):
# default session is limit to the profile or instance profile used,
# We need to use the custom session to override the default session configuration
boto_session = boto3.session.Session(region_name=REGION)
self.emr_containers_client = boto_session.client('emr-containers')
logger.info("Boto EMR containers client instantiated")