code: def run(self):
      with distributed_utils.slurm_distributed_context(self.opt) as opt:
          self.evaluator = fsdp_utils.JoinableEvaluator(opt)
          with fsdp_utils.fsdp_join(self.evaluator):
              return self.evaluator.eval_model()
  
file_path: ParlAI/parlai/scripts/distributed_eval.py
imports: from parlai.core.script import ParlaiScript
  import parlai.scripts.eval_model
  import parlai.utils.distributed
  import parlai.utils.fsdp
label_desc: Use image node_id 2 for calling the DistributedEval obj's underlying member method code with example usage: obj.run() and returns: self