Upload main_app.py

main_app.py

@@ -1006,11 +1006,10 @@ def update_background(scene_manager: SceneManager, theme: str):
         "cafe_afternoon":"background-image: url('https://huggingface.co/spaces/sirochild/mari-chat-3/resolve/main/static/kissa-hiru.jpg');",
         "art_museum_night":"background-image: url('https://huggingface.co/spaces/sirochild/mari-chat-3/resolve/main/static/bijyutukann-yoru.jpg');",
     }
-        current_theme_name = st.session_state.chat['scene_params'].get("theme", "default")
         css = f"""
         <style>
         .stApp {{
-            {css_dict.get(current_theme_name, css_dict['default'])}
+            {css_dict.get(theme, css_dict['default'])}
             background-size: cover !important;
             background-position: center !important;
             background-attachment: fixed !important;