code: def __init__(
      self, doc_text: str, questions: Union[List[Question], Question]
  ):
      self.doc_text = doc_text
      if type(questions) == Question:
          self.questions = [questions]
      else:
          self.questions = questions
  
imports: from typing import List, Union
label_desc: Use image node_id 1 to create a new QAInput object  with example: obj = QAInput(doc_text, questions)