Print formatted string

generator.py

@@ -90,7 +90,7 @@ def QA(question, context):
   output = tokenizer.decode(predict_answer_tokens, skip_special_tokens=True)
   output = string.capwords(output)
   if output.isspace() or len(output) == 0:
-    return "Possible question : {question}\n Answer could not be generated accurately."
+    return f"Possible question : {question}\n Answer could not be generated accurately."
   return f"Q. {question} \n Ans. {output}"
 # QA("What was the first C program","The first prgram written in C was Hello World")