Update app.py

app.py

@@ -115,7 +115,7 @@ def streamlit_app():
     history = load_history()
 
     # Display the buttons for each URL
-    for url, name, emoji in zip(urls, url_names, url_emojis):
+    for url, name, emoji in zip(urls, url_names, emoji_mapping):
         if st.button(f"{emoji} {name}"):
             # Generate the base64 link and display it under the button
             link_html = open_url(url, emoji, name)