Update app.py

app.py

@@ -3,8 +3,13 @@ import streamlit.components.v1 as components
 import random
 import string
 import time
+import os
 
 # Load the initial HTML5 app
+if not os.path.exists("aframe_app.html"):
+    with open("aframe_app.html", "w") as f:
+        f.write("<a-scene></a-scene>")
+
 with open("aframe_app.html", "r") as f:
     initial_html = f.read()
 
@@ -26,7 +31,7 @@ def add_player():
     while player_name in st.session_state.player_names:
         player_name = generate_player_name()
     st.session_state.player_names.append(player_name)
-    player_html = f'<a-entity id="{player_name}" geometry="primitive: box" material="color: {random.choice(['red', 'green', 'blue', 'yellow', 'purple'])}"></a-entity>'
+    player_html = f'<a-entity id="{player_name}" geometry="primitive: box" material="color: {random.choice(["red", "green", "blue", "yellow", "purple"])};"></a-entity>'
     st.session_state.html_content = st.session_state.html_content.replace("</a-scene>", player_html + "\n</a-scene>")
 
 # Streamlit app