class_docstr: Individual fairness perturbation for person names.
class_docstr_tok: ["Individual","fairness","perturbation","for","person","names","."]
docstr: Download the name file from CodaLab
docstr_tok: ["Download","the","name","file","from","CodaLab"]
code: def download_name_file(self) -> str:
      """Download the name file from CodaLab"""
      data_path = os.path.join(self.output_path, "data")
      file_path: str = os.path.join(data_path, self.FILE_NAME)
      ensure_directory_exists(data_path)
      ensure_file_downloaded(
          source_url=self.SOURCE_URI, target_path=file_path
      )
      return file_path
  
imports: import os
  import re
  from collections import defaultdict
  from dataclasses import dataclass, replace
  from functools import reduce
  from pathlib import Path
  from random import Random
  from typing import Dict, List, Optional, Set
  from helm.benchmark.scenarios.scenario import Input, Instance, Reference, Output
  from helm.common.general import ensure_file_downloaded, ensure_directory_exists, match_case
  from .perturbation_description import PerturbationDescription
  from .perturbation import Perturbation
label_desc: Use image node_id 5 for calling the PersonNamePerturbation obj's underlying member method code with example usage: obj.download_name_file() and returns: file_path