On AWS elastic search {"Message":"User: anonymous is not authorized to perform: es:ESHttpGet"}

I have created AWS elasticsearch domain

https://search-xx-xx.us-east-1.es.amazonaws.com/

On click both elastic url and kibana below is the error i got

{"Message":"User: anonymous is not authorized to perform: es:ESHttpGet"}

Below is code which is working fine

import boto3
from requests_aws4auth import AWS4Auth
from elasticsearch import Elasticsearch, RequestsHttpConnection
session = boto3.session.Session()
credentials = session.get_credentials()

awsauth = AWS4Auth(credentials.access_key,
                   credentials.secret_key,
                   session.region_name, 'es',
                   session_token=credentials.token)
es = Elasticsearch(
    ['https://search-testelastic-2276kyz2u4l3basec63onfq73a.us-east-1.es.amazonaws.com'],
    http_auth=awsauth,
    use_ssl=True,
    verify_certs=True,
    connection_class=RequestsHttpConnection
)


def lambda_handler(event, context):
    es.cluster.health()
    es.indices.create(index='my-index', ignore=400)
    r = [{'Name': 'Dr. Christopher DeSimone', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Tajwar Aamir (Aamir)', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Bernard M. Aaron', 'Specialised and Location': 'Health'},
 {'Name': 'Eliana M. Aaron', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Joseph J. Aaron', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Michael R. Aaron', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Darryl H. Aarons', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. William B. Aarons', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Sirike T. Aasmaa', 'Specialised and Location': 'Health'},
 {'Name': 'Dr. Jacobo A. Abadi', 'Specialised and Location': 'Health'}]
    for e in enumerate(r):
         es.index(index="my-index", body=e[1])

Below is the access policy

{
  "Version": "2012-10-17",
  "Statement": [
    {
      "Effect": "Allow",
      "Principal": {
        "AWS": "*"
      },
      "Action": "es:*",
      "Resource": "arn:aws:es:us-east-1:xxxxxx:domain/xxxxx/*",
      "Condition": {
        "IpAddress": {
          "aws:SourceIp": "*"
        }
      }
    }
  ]
}