Update app.py

app.py

@@ -112,6 +112,7 @@ with gr.Blocks(css='style.css') as demo:
                 show_label=False,
                 placeholder='Type a message...',
                 scale=10,
+                lines=6,
             )
             submit_button = gr.Button('Submit',
                                       variant='primary',
@@ -125,8 +126,9 @@ with gr.Blocks(css='style.css') as demo:
     textbox_empty = gr.Textbox(container=False,
                 show_label=False,
                 placeholder='',
-                scale=10)
-    api_button = gr.Button('API', variant='secondary')
+                scale=10,
+                visible=False)
+    _button = gr.Button('API', variant='secondary', visible=False)
     saved_input = gr.State()
 
     with gr.Accordion(label='Advanced options', open=False):