code: def setup_task(cls, cfg):
      run_cfg = cfg.run_cfg
  
      return cls(cfg=run_cfg)
  
file_path: lavis/lavis/tasks/retrieval.py
imports: import json
  import logging
  import os
  import numpy
  import torch
  from lavis.common.dist_utils import is_main_process
  from lavis.common.registry import registry
  from lavis.tasks.base_task import BaseTask
label_desc: Use image node_id 2 for calling the RetrievalTask obj's underlying member method code with example usage: obj.setup_task(cls, cfg) and returns: cls