boto3 iotanalytics client has endpoint value error

using sagemaker jupytor notebook instance code as below import boto3

client = boto3.client('iotanalytics')

anomaly_client = boto3.client('iot-data', region_name='us-east-1', endpoint_url = 'a2nnb1d4l4rnib-ats.iot.us-east-1.amazonaws.com ') when run following error ValueError: Invalid endpoint: a2nnb1d4l4rnib-ats.iot.us-east-1.amazonaws.com while this endpoint is working fine with python file to publish data on IoT Core