code: def set_task_name(self, task_name: str) -> None:
      return self.update("task_name", task_name)
  
imports: import os.path
  from typing import List, NamedTuple, Any
  from vizseq._utils.json import VizSeqJson
  from vizseq.scorers import get_scorer_ids
  from .tokenizers import VizSeqTokenization
label_desc: Use image node_id 3 for calling the VizSeqTaskConfigManager obj's underlying member method code with example usage: obj.set_task_name(task_name) and returns: self