Update app.py

app.py

@@ -255,6 +255,8 @@ with gr.Blocks(analytics_enabled=False, css=custom_css) as demo:
             elem_id="system-message",
             placeholder="Below is a conversation between a medical student and a helpful AI medical assistant.",
             show_label=False,
+            lines=10,
+            max_lines=100
         )
     with gr.Row():
         with gr.Group():