Update app.py

app.py

@@ -57,7 +57,7 @@ def process_json():
     content_type = request.headers.get('Content-Type')
     if (content_type == 'application/json'):
         requestQuery = request.get_json()
-        responseJSON=qa_chain({"question":query});
+        responseJSON=chain({"question":query});
         pretty_print_docs(response['source_documents'])
         print("Ques:>>>>"+requestQuery['query']+"\n Ans:>>>"+responseJSON["result"])
         return jsonify(botMessage=responseJSON["result"]);