construct the location of the components

app.py

@@ -45,8 +45,8 @@ async def chat(input_text, input_url):
 
 with gr.Blocks() as iface:
     # UI
-    with gr.Row:
-        with gr.Column:
+    with gr.Row():
+        with gr.Column():
             input_text = gr.Textbox(label="")
             input_url = gr.Textbox(label="")
             chat_btn = gr.Button("Chat")