Update app.py

app.py

@@ -184,7 +184,7 @@ def get_response(message, history=[]):
 # Index URLs on app startup
 @app.on_event("startup")
 async def startup():
-    domain_url = 'https://www.bofrost.de/faq/'
+    domain_url = 'https://www.w3schools.com/python/ref_func_len.asp'
     links = get_all_links_from_domain(domain_url)
     retriever_chain = index_urls_in_rag(links)
     retriever_chain.invoke("Was ist bofrost*")