Update app.py

app.py

@@ -24,10 +24,9 @@ with gr.Blocks() as app:
     gr.Markdown("## Interactive Learning Platform")
     gr.Markdown("Choose a topic to start learning:")
     
-    # Progress bar at the top
-    gr.Markdown('<div style="width: 100%; background-color: lightgray; height: 5px; border-radius: 5px;">'
-                '<div style="width: 25%; background-color: green; height: 100%;"></div></div>', 
-                unsafe_allow_html=True)
+    # Progress bar at the top (HTML-based)
+    gr.HTML('<div style="width: 100%; background-color: lightgray; height: 5px; border-radius: 5px;">'
+            '<div style="width: 25%; background-color: green; height: 100%;"></div></div>')
     
     # Options for learning paths
     selected_topic = gr.Radio(