Update app.py

app.py

@@ -186,6 +186,10 @@ def send_example(example_text, history, max_tokens, temperature, top_p, qa_chain
 with gr.Blocks(theme=gr.themes.Default(primary_hue="sky")) as demo:
     # Insert custom CSS for layout:
     gr.HTML("""
+    <script>
+      document.documentElement.setAttribute('data-theme', 'light');
+    </script>
+    
     <style>
     :root {
         color-scheme: light;