Update app.py

app.py

@@ -1,10 +1,17 @@
 import gradio as gr
 
-def chat(message, history):
+def chat_fn(message, history):
     reply = "You said: " + message
     history = history + [[message, reply]]
-    return reply, history
+    return "", history
+
+with gr.Blocks() as demo:
+    chatbot = gr.Chatbot(height=450)
+    msg = gr.Textbox(placeholder="Type here...", label=None)
+    clear = gr.Button("Clear")
+
+    msg.submit(chat_fn, [msg, chatbot], [msg, chatbot])
+    clear.click(lambda: ("", []), None, [msg, chatbot])
 
-demo = gr.ChatInterface(chat)
-demo.queue()
 demo.launch()
+