code: def merge_image_uri_with_algorithm_specification(
      algorithm_specification: Optional[Dict[str, Any]],
      image_uri: Optional[str],
      entrypoint_command: List[str],
      args: Optional[List[str]],
  ) -> Dict[str, Any]:
      """Create an AWS AlgorithmSpecification.
  
      AWS Sagemaker algorithms require a training image and an input mode. If the user
      does not specify the specification themselves, define the spec minimally using these
      two fields. Otherwise, if they specify the AlgorithmSpecification set the training
      image if it is not set.
      """
      if algorithm_specification is None:
          algorithm_specification = {
              "TrainingImage": image_uri,
              "TrainingInputMode": "File",
          }
      else:
          if image_uri:
              algorithm_specification["TrainingImage"] = image_uri
      if entrypoint_command:
          algorithm_specification[
              "ContainerEntrypoint"
          ] = entrypoint_command
      if args:
          algorithm_specification["ContainerArguments"] = args
  
      if algorithm_specification["TrainingImage"] is None:
          raise LaunchError("Failed determine tag for training image")
      return algorithm_specification
  
imports: import asyncio
  import logging
  from typing import Any, Dict, List, Optional, cast
  import wandb
  from wandb.apis.internal import Api
  from wandb.sdk.launch.environment.aws_environment import AwsEnvironment
  from wandb.sdk.launch.errors import LaunchError
  from .._project_spec import EntryPoint, LaunchProject, get_entry_point_command
  from ..builder.build import get_env_vars_dict
  from ..registry.abstract import AbstractRegistry
  from ..utils import LOG_PREFIX, MAX_ENV_LENGTHS, PROJECT_SYNCHRONOUS, event_loop_thread_exec, to_camel_case
  from .abstract import AbstractRun, AbstractRunner, Status
label_desc: Use image node_id 1 for calling a global function with example usage: merge_image_uri_with_algorithm_specification(algorithm_specification, image_uri, entrypoint_command, args) and returns: algorithm_specification