added type casting

app.py

@@ -84,9 +84,9 @@ with gr.Blocks() as iface:
         return completion.choices[0].message.content
 
     def updateQuestions(prevText):
-        remainingQuestions = prevText["label"].split(": ")[1]
+        remainingQuestions = int(prevText["label"].split(": ")[1])
         remainingQuestions -= 1
-        return "Remaining Questions: " + remainingQuestions
+        return "Remaining Questions: " + str(remainingQuestions)
 
     # again, ugly workaround
     msg[0].submit(user, [msg[0], chatbot[0]], [msg[0], chatbot[0]], queue=False).then(