code: def wait_until_endpoint_in_service(self):
      print("Waiting for endpoint to get in service...")
      self.sagemaker_client.get_waiter("endpoint_in_service").wait(
          EndpointName=self.endpoint_name
      )
  
imports: from __future__ import absolute_import
  import time
  import boto3
  import os
  from botocore.config import Config
  from sagemaker.jumpstart.constants import JUMPSTART_DEFAULT_REGION_NAME
  from tests.integ.sagemaker.jumpstart.utils import get_test_artifact_bucket, get_sm_session
  from sagemaker.utils import repack_model
  from tests.integ.sagemaker.jumpstart.constants import ENV_VAR_JUMPSTART_SDK_TEST_SUITE_ID, JUMPSTART_TAG
label_desc: Use image node_id 4 for calling the InferenceJobLauncher obj's underlying member method code with example usage: obj.wait_until_endpoint_in_service() without return types