Update app.py

app.py

@@ -36,10 +36,14 @@ with gr.Blocks(
             
         with gr.Column(scale=4, elem_id='col'):
             chatbot = gr.Chatbot(label="Chatroom", value=[(None, "How may I help you today?")], elem_id="chatbot")
-            
-            message = gr.Textbox(label="Message")
 
-            message.submit(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
+            with gr.Row():       
+                with gr.Column(scale=5):
+                    message = gr.Textbox(label="Message")
+                    message.submit(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
+                with gr.Column(scale=1):
+                    submit_button = gr.Button("Submit")
+                    submit_button.click(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
 
             clear = gr.ClearButton([message, chatbot], scale=1)