code: def after_evaluation(self, **kwargs):
      pass
  
imports: import logging
  import os
  import torch
  import torch.distributed
  from lavis.common.dist_utils import get_rank, get_world_size, is_main_process, is_dist_avail_and_initialized
  from lavis.common.logger import MetricLogger, SmoothedValue
  from lavis.common.registry import registry
  from lavis.datasets.data_utils import prepare_sample
label_desc: Use image node_id 9 for calling the BaseTask obj's underlying member method code with example usage: obj.after_evaluation() without return types