fix answer

app.py

@@ -88,7 +88,6 @@ def reset_user_input():
 
 
 def reset_state():
-    global answer
     global filepath
     data = {'refresh': ''}
     data=requests.post(os.environ.get("URL"), data=json.dumps(data, ensure_ascii=False).encode('utf-8')).content
@@ -97,10 +96,10 @@ def reset_state():
     messages = data['messages']
     answer = data['answer']
     filepath = data['filepath']
-    return chatbot, messages, gr.update(value=""), gr.update(value="Show Answer")
+    return chatbot, messages, gr.update(value=""), gr.update(value="Show Answer"), answer
 
 
-def show_hide_answer():
+def show_hide_answer(answer):
     global show_ans
     if show_ans:
         show_ans = False
@@ -118,9 +117,8 @@ with gr.Blocks() as demo:
     data=requests.post(os.environ.get("URL"), data=json.dumps(data, ensure_ascii=False).encode('utf-8')).content
     data = json.loads(str(data, encoding="utf-8"))
     chatbot = gr.Chatbot(data['chatbot'])
-    global answer
     global filepath
-    answer = data['answer']
+    answer = gr.State(data['answer'])
     filepath = data['filepath']
     with gr.Row():
         with gr.Column(scale=4):
@@ -142,8 +140,8 @@ with gr.Blocks() as demo:
                     show_progress=True)
     submitBtn.click(reset_user_input, [], [user_input])
 
-    emptyBtn.click(reset_state, outputs=[chatbot, messages, answer_output, answerBtn], show_progress=True)
+    emptyBtn.click(reset_state, outputs=[chatbot, messages, answer_output, answerBtn, answer], show_progress=True)
 
-    answerBtn.click(show_hide_answer, outputs=[answer_output, answerBtn])
+    answerBtn.click(show_hide_answer, [answer], outputs=[answer_output, answerBtn])
 
 demo.queue().launch()