docs: def _prepare_init_params_from_job_description(cls, job_details, model_channel_name=None):
          """Convert the job description to init params that can be handled by the class constructor
  
          Args:
              job_details: the returned job details from a describe_training_job API call.
              model_channel_name (str): Name of the channel where pre-trained model data will be downloaded
  
          Returns:
               dictionary: The transformed init_params
  
          """
          init_params = super(Estimator, cls)._prepare_init_params_from_job_description(job_details, model_channel_name)
  
          init_params['image_name'] = init_params.pop('image')
          return init_params