Update app.py

app.py

@@ -38,12 +38,10 @@ with gr.Blocks(
             chatbot = gr.Chatbot(label="Chatroom", value=[(None, "How may I help you today?")], elem_id="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", size="sm")
-                    submit_button.click(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
+                message = gr.Textbox(label="Message", scale=10)
+                message.submit(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
+                submit_button = gr.Button("Submit", size="sm", scale=1)
+                submit_button.click(generate_response, inputs=[model_dropdown, message, chatbot], outputs=[message, chatbot])
 
             clear = gr.ClearButton([message, chatbot])