class_docstr: SimpleQA: Question-Answering on a list of texts
class_docstr_tok: ["SimpleQA",":","Question-Answering","on","a","list","of","texts"]
code: def initialize_index(cls, index_dir):
      schema = Schema(
          reference=ID(stored=True),
          content=TEXT,
          rawtext=TEXT(stored=True),
      )
      if not os.path.exists(index_dir):
          os.makedirs(index_dir)
      else:
          raise ValueError(
              "There is already an existing directory or file with path %s"
              % (index_dir)
          )
      ix = index.create_in(index_dir, schema)
      return ix
  
imports: from transformers import AutoModelForQuestionAnswering, AutoTokenizer, TFAutoModelForQuestionAnswering
  from whoosh import index, qparser
  from whoosh.fields import *
  from whoosh.qparser import QueryParser
  from ...None import utils
  from ...imports import *
  from ...torch_base import TorchBase
  from ..None import preprocessor
  from ..None import textutils
  from itertools import chain, zip_longest
label_desc: Use image node_id 3 for calling the SimpleQA obj's underlying member method code with example usage: obj.initialize_index(cls, index_dir) and returns: ix