code: def _get_master_url(self) -> str:
      output = self._get_aws_output()
  
      master_ip = output[constants.cloudformation.DET_ADDRESS]
      master_port = output[constants.cloudformation.MASTER_PORT]
      master_scheme = output[constants.cloudformation.MASTER_SCHEME]
  
      master_url = f"{master_scheme}://{master_ip}:{master_port}"
  
      return master_url
  
file_path: determined/harness/determined/deploy/aws/deployment_types/base.py
imports: import abc
  from typing import Any, Dict, Iterable, List, Optional
  import pkg_resources
  from termcolor import colored
  import determined
  import determined.deploy
  from determined.common.api import certs
  from determined.deploy import healthcheck
  from determined.deploy.aws import aws, constants
label_desc: Use image node_id 10 for calling the DeterminedDeployment obj's underlying member method code with example usage: obj._get_master_url() and returns: master_url