Update app.py

app.py

@@ -68,7 +68,7 @@ def prod_function(app, prod_path, webcam_img_pil):
     return results, cv2_webcam
 
 # Streamlit tabs
-about_tab, app_tab = st.tabs(["About the app", "Face Recognition"])
+about_tab, app_tab, register_tab = st.tabs(["About the app", "Face Recognition", "Register new Student"])
 
 with about_tab:
     st.markdown("""