Update chain_app.py

chain_app.py

@@ -720,7 +720,7 @@ async def on_chat_start():
     #                 step=0.1,
     #             ),
     #         ]
-        ).send()
+        # ).send()
     #     await cl.Message(
     #         content='Im Qwens open source Ai model and i am configured by two iranian boys Artin Daneshvar and Sadra Noadoust to help you out!',
     #     ).send()