Update app.py

app.py

@@ -18,7 +18,8 @@ async def main(message: cl.Message):
     chain = cl.user_session.get("chain")
     res = await chain.ainvoke({"input": message})
     res = res["text"]
-    out = "Name \tAge\n" + ''.join(
+    out = "Name \tAge\n"
+    out += ''.join(
         [f"{person.name}\t{person.age}\n" for person in res]
     )
     await cl.Message(content=out).send()