Update app.py

app.py

@@ -31,11 +31,10 @@ def main():
     tab1, tab2, tab3 = st.tabs(["📚 Learning Paths", "🤖 AI Tutor", "💻 Code Playground"])
     
     with tab1:
-        learning_paths.display()  # Call display() on the instance
+        learning_paths.display()
     
     with tab2:
         ai_tutor.display_chat_interface()
-        ai_tutor.display_learning_metrics()
     
     with tab3:
         CodePlayground.display()