class_docstr: SimpleQA: Question-Answering on a list of texts
class_docstr_tok: ["SimpleQA",":","Question-Answering","on","a","list","of","texts"]
code: def _open_ix(self):
      return index.open_dir(self.index_dir)
  
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 2 for calling the SimpleQA obj's underlying member method code with example usage: obj._open_ix() and returns: index