code: def _reshape_answer_column(self, sample: Any):
      text = sample.pop("answer_text")
      start = sample.pop("answer_start")
      if isinstance(text, str):
          text = [text]
      if isinstance(start, int):
          start = [start]
      sample["answer"] = {"text": text, "answer_start": start}
      return sample
  
imports: import json
  from pathlib import Path
  from typing import Any, Dict
  import flash
  from flash.core.data.io.input import Input
  from flash.core.data.utilities.loading import load_data_frame
  from flash.core.data.utilities.paths import PATH_TYPE
  from flash.core.utilities.imports import _TOPIC_TEXT_AVAILABLE, requires
label_desc: Use image node_id 1 for calling the QuestionAnsweringInputBase obj's underlying member method code with example usage: obj._reshape_answer_column(sample) and returns: sample