class_docstr: Placeholder docstring
code: def _triton_deep_ping(self, predictor: PredictorBase) -> bool:
      # TODO: set datatype from payload
      try:
          response = predictor.predict(self.schema_builder.sample_input)
      except Exception as e:
          if "422 Client Error: Unprocessable Entity for url" in str(e):
              raise LocalModelInvocationException(str(e))
          return (False, None)
  
      return (True, response)
  
imports: from __future__ import absolute_import
  import uuid
  import logging
  import importlib
  import platform
  from sagemaker import fw_utils
  from sagemaker import Session
  from sagemaker.base_predictor import PredictorBase
  from sagemaker.serve.utils.uploader import upload
  from sagemaker.serve.utils.exceptions import LocalModelInvocationException
  from sagemaker.s3_utils import determine_bucket_and_prefix, parse_s3_url
  from sagemaker.local.utils import get_docker_host
  import docker
  from docker.types import DeviceRequest
label_desc: Use image node_id 4 for calling the LocalTritonServer obj's underlying member method code with example usage: obj._triton_deep_ping(predictor) and returns: True,  response, False,  None