class_docstr: The Pile corpus from this paper:
  https://arxiv.org/pdf/2101.00027.pdf
code: def __init__(self, subset: str):
      super().__init__()
      self.pile_subsets = {
          "ArXiv",
          "BookCorpus2",
          "Books3",
          "DM Mathematics",
          "Enron Emails",
          "EuroParl",
          "FreeLaw",
          "Github",
          "Gutenberg (PG-19)",
          "HackerNews",
          "NIH ExPorter",
          "OpenSubtitles",
          "OpenWebText2",
          "PhilPapers",
          "Pile-CC",
          "PubMed Abstracts",
          "PubMed Central",
          "StackExchange",
          "USPTO Backgrounds",
          "Ubuntu IRC",
          "Wikipedia (en)",
          "YoutubeSubtitles",
      }
      assert subset in self.pile_subsets
      self.subset = subset
  
file_path: H2O/h2o_hf/helm/src/helm/benchmark/scenarios/the_pile_scenario.py
imports: import os
  import json
  import csv
  import sys
  import requests
  from typing import List
  from helm.common.general import ensure_file_downloaded
  from helm.common.hierarchical_logger import hlog, htrack, htrack_block
  from .scenario import Scenario, Instance, TEST_SPLIT, Input
label_desc: Use image node_id 1 to create a new ThePileScenario object from inherited base classes: Scenario with example: obj = ThePileScenario(subset)