docs: def describe_training_job(self, TrainingJobName):
          """Describe a local training job.
  
          Args:
              TrainingJobName (str): Training job name to describe.
  
          Returns: (dict) DescribeTrainingJob Response.
  
          """
          if TrainingJobName not in LocalSagemakerClient._training_jobs:
              error_response = {'Error': {'Code': 'ValidationException', 'Message': 'Could not find local training job'}}
              raise ClientError(error_response, 'describe_training_job')
          else:
              return LocalSagemakerClient._training_jobs[TrainingJobName].describe()