Test with gr.Column()

app.py

@@ -44,7 +44,7 @@ For information on how to customize the ChatInterface, peruse the gradio docs: h
 """
 with gr.Blocks() as demo:
     gr.Markdown("Used two ChatBots for testing and comparison of correct answers.:+1:")
-    with gr.Row():
+    with gr.Column():
         chat_1 = gr.ChatInterface(
             respond,
             additional_inputs=[
@@ -60,7 +60,7 @@ with gr.Blocks() as demo:
                 ),
             ],
         )
-    with gr.Row():
+    with gr.Column():
         chat_2 = gr.ChatInterface(
             respond,
             additional_inputs=[