Update app.py

app.py

@@ -5,14 +5,25 @@ import time
 with gr.Blocks() as demo:
     chatbot = gr.Chatbot()
     msg = gr.Textbox()
-    clear = gr.ClearButton([msg, chatbot])
+    clear = gr.Button("Clear")
 
-    def respond(message, chat_history):
+    def user(user_message, history):
+        return "", history + [[user_message, None]]
+
+    def bot(history):
         bot_message = random.choice(["How are you?", "I love you", "I'm very hungry"])
-        chat_history.append((message, bot_message))
-        time.sleep(2)
-        return "", chat_history
+        history[-1][1] = ""
+        for character in bot_message:
+            history[-1][1] += character
+            time.sleep(0.05)
+            yield history
 
-    msg.submit(respond, [msg, chatbot], [msg, chatbot])
+    msg.submit(user, [msg, chatbot], [msg, chatbot], queue=False).then(
+        bot, chatbot, chatbot
+    )
+    clear.click(lambda: None, None, chatbot, queue=False)
+    
+demo.queue()
+if __name__ == "__main__":
+    demo.launch()
 
-demo.launch()