Update app.py

app.py

@@ -60,7 +60,7 @@ with gr.Blocks(theme=theme_citrus) as demo:
                     gr.HTML('<a href="https://community.youth4climate.info/homepage" target="_blank">Youth4Climate (EU)</a>')
                     gr.HTML('<a href="https://www.instagram.com/fridaysforfuturemapa/?hl=de" target="_blank">Fridays for Future MAPA  (Africa, Latin America, Asia-Pacific) </a>')
         with gr.Column(scale=7):
-            chatbot = gr.ChatInterface(respond, type="messages")
+            demo = gr.ChatInterface(respond, type="messages")
 
 #sustainability tips 
 SUSTAINABILITY_TIPS = [
@@ -173,4 +173,4 @@ def get_top_chunks(query, chunk_embeddings, text_chunks):
   return top_chunks
 
 
-chatbot.launch()
+demo.launch()