Update question_answering.py

question_answering.py

@@ -14,7 +14,7 @@ class QuestionAnswering:
     self.passage_retreival_model = CrossEncoder('cross-encoder/ms-marco-MiniLM-L-6-v2')
     self.qa_model = pipeline("question-answering",'a-ware/bart-squadv2') 
     
-  def fetch_answers(question, document):
+  def fetch_answers(self, question, document):
       document_paragraphs = document.splitlines()
       query_paragraph_list = [(question, para) for para in document_paragraphs if len(para.strip()) > 0 ]